Home / 25,151.35-34,708.67-13,666.16

Finding the Fourth Proportional to 25,151.35, 34,708.67 and 13,666.16

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Solution

The fourth proportional to 25,151.35, 34,708.67 and 13,666.16 is: 18,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,151.35 : 34,708.67 = 13,666.16 : x
  2. Step 2: Convert to fraction form
    25,151.35/34,708.67 = 13,666.16/x
  3. Step 3: Cross multiply
    25,151.35x = 34,708.67 × 13,666.16
  4. Step 4: Simplify right side
    25,151.35x = 474,334,169.28
  5. Step 5: Solve for x
    x = 474,334,169.28/25,151.35
  6. Step 6: Final answer
    x = 18,859.20

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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.