Home / 25,455.61-38,171.08-14,929.08

Finding the Fourth Proportional to 25,455.61, 38,171.08 and 14,929.08

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Solution

The fourth proportional to 25,455.61, 38,171.08 and 14,929.08 is: 22,386.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.61 : 38,171.08 = 14,929.08 : x
  2. Step 2: Convert to fraction form
    25,455.61/38,171.08 = 14,929.08/x
  3. Step 3: Cross multiply
    25,455.61x = 38,171.08 × 14,929.08
  4. Step 4: Simplify right side
    25,455.61x = 569,859,001.19
  5. Step 5: Solve for x
    x = 569,859,001.19/25,455.61
  6. Step 6: Final answer
    x = 22,386.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.