Home / 19,732.16-27,225.50-12,668.15

Finding the Fourth Proportional to 19,732.16, 27,225.50 and 12,668.15

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Solution

The fourth proportional to 19,732.16, 27,225.50 and 12,668.15 is: 17,478.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.16 : 27,225.50 = 12,668.15 : x
  2. Step 2: Convert to fraction form
    19,732.16/27,225.50 = 12,668.15/x
  3. Step 3: Cross multiply
    19,732.16x = 27,225.50 × 12,668.15
  4. Step 4: Simplify right side
    19,732.16x = 344,896,518.36
  5. Step 5: Solve for x
    x = 344,896,518.36/19,732.16
  6. Step 6: Final answer
    x = 17,478.91

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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.