Home / 15,240.76-22,780.04-13,250.32

Finding the Fourth Proportional to 15,240.76, 22,780.04 and 13,250.32

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Solution

The fourth proportional to 15,240.76, 22,780.04 and 13,250.32 is: 19,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.76 : 22,780.04 = 13,250.32 : x
  2. Step 2: Convert to fraction form
    15,240.76/22,780.04 = 13,250.32/x
  3. Step 3: Cross multiply
    15,240.76x = 22,780.04 × 13,250.32
  4. Step 4: Simplify right side
    15,240.76x = 301,842,819.61
  5. Step 5: Solve for x
    x = 301,842,819.61/15,240.76
  6. Step 6: Final answer
    x = 19,804.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.