Home / 27,129.87-40,686.48-9,595.62

Finding the Fourth Proportional to 27,129.87, 40,686.48 and 9,595.62

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Solution

The fourth proportional to 27,129.87, 40,686.48 and 9,595.62 is: 14,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.87 : 40,686.48 = 9,595.62 : x
  2. Step 2: Convert to fraction form
    27,129.87/40,686.48 = 9,595.62/x
  3. Step 3: Cross multiply
    27,129.87x = 40,686.48 × 9,595.62
  4. Step 4: Simplify right side
    27,129.87x = 390,412,001.22
  5. Step 5: Solve for x
    x = 390,412,001.22/27,129.87
  6. Step 6: Final answer
    x = 14,390.49

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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.