Home / 42,501.04-63,744.60-12,508.26

Finding the Fourth Proportional to 42,501.04, 63,744.60 and 12,508.26

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Solution

The fourth proportional to 42,501.04, 63,744.60 and 12,508.26 is: 18,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,501.04 : 63,744.60 = 12,508.26 : x
  2. Step 2: Convert to fraction form
    42,501.04/63,744.60 = 12,508.26/x
  3. Step 3: Cross multiply
    42,501.04x = 63,744.60 × 12,508.26
  4. Step 4: Simplify right side
    42,501.04x = 797,334,030.40
  5. Step 5: Solve for x
    x = 797,334,030.40/42,501.04
  6. Step 6: Final answer
    x = 18,760.34

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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.