Home / 42,622.27-63,933.31-13,040.12

Finding the Fourth Proportional to 42,622.27, 63,933.31 and 13,040.12

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Solution

The fourth proportional to 42,622.27, 63,933.31 and 13,040.12 is: 19,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,622.27 : 63,933.31 = 13,040.12 : x
  2. Step 2: Convert to fraction form
    42,622.27/63,933.31 = 13,040.12/x
  3. Step 3: Cross multiply
    42,622.27x = 63,933.31 × 13,040.12
  4. Step 4: Simplify right side
    42,622.27x = 833,698,210.53
  5. Step 5: Solve for x
    x = 833,698,210.53/42,622.27
  6. Step 6: Final answer
    x = 19,560.16

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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.