Home / 18,770.41-28,155.29-4,730.13

Finding the Fourth Proportional to 18,770.41, 28,155.29 and 4,730.13

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Solution

The fourth proportional to 18,770.41, 28,155.29 and 4,730.13 is: 7,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770.41 : 28,155.29 = 4,730.13 : x
  2. Step 2: Convert to fraction form
    18,770.41/28,155.29 = 4,730.13/x
  3. Step 3: Cross multiply
    18,770.41x = 28,155.29 × 4,730.13
  4. Step 4: Simplify right side
    18,770.41x = 133,178,052.76
  5. Step 5: Solve for x
    x = 133,178,052.76/18,770.41
  6. Step 6: Final answer
    x = 7,095.11

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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.