Home / 42,583.93-63,875.55-10,991.29

Finding the Fourth Proportional to 42,583.93, 63,875.55 and 10,991.29

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Solution

The fourth proportional to 42,583.93, 63,875.55 and 10,991.29 is: 16,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,583.93 : 63,875.55 = 10,991.29 : x
  2. Step 2: Convert to fraction form
    42,583.93/63,875.55 = 10,991.29/x
  3. Step 3: Cross multiply
    42,583.93x = 63,875.55 × 10,991.29
  4. Step 4: Simplify right side
    42,583.93x = 702,074,693.96
  5. Step 5: Solve for x
    x = 702,074,693.96/42,583.93
  6. Step 6: Final answer
    x = 16,486.85

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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.