Home / 40,572.16-60,860.43-12,511.53

Finding the Fourth Proportional to 40,572.16, 60,860.43 and 12,511.53

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Solution

The fourth proportional to 40,572.16, 60,860.43 and 12,511.53 is: 18,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,572.16 : 60,860.43 = 12,511.53 : x
  2. Step 2: Convert to fraction form
    40,572.16/60,860.43 = 12,511.53/x
  3. Step 3: Cross multiply
    40,572.16x = 60,860.43 × 12,511.53
  4. Step 4: Simplify right side
    40,572.16x = 761,457,095.76
  5. Step 5: Solve for x
    x = 761,457,095.76/40,572.16
  6. Step 6: Final answer
    x = 18,767.97

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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.