Home / 42,557.80-63,836.68-11,392.24

Finding the Fourth Proportional to 42,557.80, 63,836.68 and 11,392.24

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Solution

The fourth proportional to 42,557.80, 63,836.68 and 11,392.24 is: 17,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,557.80 : 63,836.68 = 11,392.24 : x
  2. Step 2: Convert to fraction form
    42,557.80/63,836.68 = 11,392.24/x
  3. Step 3: Cross multiply
    42,557.80x = 63,836.68 × 11,392.24
  4. Step 4: Simplify right side
    42,557.80x = 727,242,779.36
  5. Step 5: Solve for x
    x = 727,242,779.36/42,557.80
  6. Step 6: Final answer
    x = 17,088.35

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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.