Home / 25,188.47-34,760.84-13,859.13

Finding the Fourth Proportional to 25,188.47, 34,760.84 and 13,859.13

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Solution

The fourth proportional to 25,188.47, 34,760.84 and 13,859.13 is: 19,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.47 : 34,760.84 = 13,859.13 : x
  2. Step 2: Convert to fraction form
    25,188.47/34,760.84 = 13,859.13/x
  3. Step 3: Cross multiply
    25,188.47x = 34,760.84 × 13,859.13
  4. Step 4: Simplify right side
    25,188.47x = 481,754,931.17
  5. Step 5: Solve for x
    x = 481,754,931.17/25,188.47
  6. Step 6: Final answer
    x = 19,126.01

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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.