Home / 42,023.08-63,038.67-13,937.14

Finding the Fourth Proportional to 42,023.08, 63,038.67 and 13,937.14

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Solution

The fourth proportional to 42,023.08, 63,038.67 and 13,937.14 is: 20,907.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,023.08 : 63,038.67 = 13,937.14 : x
  2. Step 2: Convert to fraction form
    42,023.08/63,038.67 = 13,937.14/x
  3. Step 3: Cross multiply
    42,023.08x = 63,038.67 × 13,937.14
  4. Step 4: Simplify right side
    42,023.08x = 878,578,769.20
  5. Step 5: Solve for x
    x = 878,578,769.20/42,023.08
  6. Step 6: Final answer
    x = 20,907.05

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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.