Home / 15,451.50-21,326.76-9,167.52

Finding the Fourth Proportional to 15,451.50, 21,326.76 and 9,167.52

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Solution

The fourth proportional to 15,451.50, 21,326.76 and 9,167.52 is: 12,653.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.50 : 21,326.76 = 9,167.52 : x
  2. Step 2: Convert to fraction form
    15,451.50/21,326.76 = 9,167.52/x
  3. Step 3: Cross multiply
    15,451.50x = 21,326.76 × 9,167.52
  4. Step 4: Simplify right side
    15,451.50x = 195,513,498.84
  5. Step 5: Solve for x
    x = 195,513,498.84/15,451.50
  6. Step 6: Final answer
    x = 12,653.37

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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.