Home / 42,598.50-63,909.26-13,015.53

Finding the Fourth Proportional to 42,598.50, 63,909.26 and 13,015.53

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Solution

The fourth proportional to 42,598.50, 63,909.26 and 13,015.53 is: 19,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,598.50 : 63,909.26 = 13,015.53 : x
  2. Step 2: Convert to fraction form
    42,598.50/63,909.26 = 13,015.53/x
  3. Step 3: Cross multiply
    42,598.50x = 63,909.26 × 13,015.53
  4. Step 4: Simplify right side
    42,598.50x = 831,812,825.73
  5. Step 5: Solve for x
    x = 831,812,825.73/42,598.50
  6. Step 6: Final answer
    x = 19,526.81

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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.