Home / 25,301.69-34,916.60-13,971.17

Finding the Fourth Proportional to 25,301.69, 34,916.60 and 13,971.17

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Solution

The fourth proportional to 25,301.69, 34,916.60 and 13,971.17 is: 19,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,301.69 : 34,916.60 = 13,971.17 : x
  2. Step 2: Convert to fraction form
    25,301.69/34,916.60 = 13,971.17/x
  3. Step 3: Cross multiply
    25,301.69x = 34,916.60 × 13,971.17
  4. Step 4: Simplify right side
    25,301.69x = 487,825,614.77
  5. Step 5: Solve for x
    x = 487,825,614.77/25,301.69
  6. Step 6: Final answer
    x = 19,280.36

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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.