Home / 23,045.52-31,805.85-12,975.92

Finding the Fourth Proportional to 23,045.52, 31,805.85 and 12,975.92

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Solution

The fourth proportional to 23,045.52, 31,805.85 and 12,975.92 is: 17,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,045.52 : 31,805.85 = 12,975.92 : x
  2. Step 2: Convert to fraction form
    23,045.52/31,805.85 = 12,975.92/x
  3. Step 3: Cross multiply
    23,045.52x = 31,805.85 × 12,975.92
  4. Step 4: Simplify right side
    23,045.52x = 412,710,165.13
  5. Step 5: Solve for x
    x = 412,710,165.13/23,045.52
  6. Step 6: Final answer
    x = 17,908.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.