Home / 25,525.68-35,215.60-18,827.18

Finding the Fourth Proportional to 25,525.68, 35,215.60 and 18,827.18

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Solution

The fourth proportional to 25,525.68, 35,215.60 and 18,827.18 is: 25,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,525.68 : 35,215.60 = 18,827.18 : x
  2. Step 2: Convert to fraction form
    25,525.68/35,215.60 = 18,827.18/x
  3. Step 3: Cross multiply
    25,525.68x = 35,215.60 × 18,827.18
  4. Step 4: Simplify right side
    25,525.68x = 663,010,440.01
  5. Step 5: Solve for x
    x = 663,010,440.01/25,525.68
  6. Step 6: Final answer
    x = 25,974.25

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Double scale
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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.