Home / 27,131.52-40,703.76-9,362.40

Finding the Fourth Proportional to 27,131.52, 40,703.76 and 9,362.40

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Solution

The fourth proportional to 27,131.52, 40,703.76 and 9,362.40 is: 14,045.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.52 : 40,703.76 = 9,362.40 : x
  2. Step 2: Convert to fraction form
    27,131.52/40,703.76 = 9,362.40/x
  3. Step 3: Cross multiply
    27,131.52x = 40,703.76 × 9,362.40
  4. Step 4: Simplify right side
    27,131.52x = 381,084,882.62
  5. Step 5: Solve for x
    x = 381,084,882.62/27,131.52
  6. Step 6: Final answer
    x = 14,045.84

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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.