Home / 42,600.30-63,892.35-13,019.10

Finding the Fourth Proportional to 42,600.30, 63,892.35 and 13,019.10

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Solution

The fourth proportional to 42,600.30, 63,892.35 and 13,019.10 is: 19,526.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,600.30 : 63,892.35 = 13,019.10 : x
  2. Step 2: Convert to fraction form
    42,600.30/63,892.35 = 13,019.10/x
  3. Step 3: Cross multiply
    42,600.30x = 63,892.35 × 13,019.10
  4. Step 4: Simplify right side
    42,600.30x = 831,820,893.89
  5. Step 5: Solve for x
    x = 831,820,893.89/42,600.30
  6. Step 6: Final answer
    x = 19,526.17

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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.