Home / 42,374.14-63,561.66-12,792.22

Finding the Fourth Proportional to 42,374.14, 63,561.66 and 12,792.22

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Solution

The fourth proportional to 42,374.14, 63,561.66 and 12,792.22 is: 19,188.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,374.14 : 63,561.66 = 12,792.22 : x
  2. Step 2: Convert to fraction form
    42,374.14/63,561.66 = 12,792.22/x
  3. Step 3: Cross multiply
    42,374.14x = 63,561.66 × 12,792.22
  4. Step 4: Simplify right side
    42,374.14x = 813,094,738.29
  5. Step 5: Solve for x
    x = 813,094,738.29/42,374.14
  6. Step 6: Final answer
    x = 19,188.47

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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.