Home / 25,452.56-35,128.68-14,278.16

Finding the Fourth Proportional to 25,452.56, 35,128.68 and 14,278.16

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Solution

The fourth proportional to 25,452.56, 35,128.68 and 14,278.16 is: 19,706.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,452.56 : 35,128.68 = 14,278.16 : x
  2. Step 2: Convert to fraction form
    25,452.56/35,128.68 = 14,278.16/x
  3. Step 3: Cross multiply
    25,452.56x = 35,128.68 × 14,278.16
  4. Step 4: Simplify right side
    25,452.56x = 501,572,913.63
  5. Step 5: Solve for x
    x = 501,572,913.63/25,452.56
  6. Step 6: Final answer
    x = 19,706.19

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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.