Home / 16,478.76-22,740.75-8,925.18

Finding the Fourth Proportional to 16,478.76, 22,740.75 and 8,925.18

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Solution

The fourth proportional to 16,478.76, 22,740.75 and 8,925.18 is: 12,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.76 : 22,740.75 = 8,925.18 : x
  2. Step 2: Convert to fraction form
    16,478.76/22,740.75 = 8,925.18/x
  3. Step 3: Cross multiply
    16,478.76x = 22,740.75 × 8,925.18
  4. Step 4: Simplify right side
    16,478.76x = 202,965,287.09
  5. Step 5: Solve for x
    x = 202,965,287.09/16,478.76
  6. Step 6: Final answer
    x = 12,316.78

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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.