Home / 25,651.57-35,389.43-15,576.19

Finding the Fourth Proportional to 25,651.57, 35,389.43 and 15,576.19

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Solution

The fourth proportional to 25,651.57, 35,389.43 and 15,576.19 is: 21,489.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.57 : 35,389.43 = 15,576.19 : x
  2. Step 2: Convert to fraction form
    25,651.57/35,389.43 = 15,576.19/x
  3. Step 3: Cross multiply
    25,651.57x = 35,389.43 × 15,576.19
  4. Step 4: Simplify right side
    25,651.57x = 551,232,407.79
  5. Step 5: Solve for x
    x = 551,232,407.79/25,651.57
  6. Step 6: Final answer
    x = 21,489.23

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Half scale
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Double scale
Find fourth proportional to 25,652.57, 35,390.80 and 15,577.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.