Home / 15,930.99-21,988.40-10,332.27

Finding the Fourth Proportional to 15,930.99, 21,988.40 and 10,332.27

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Solution

The fourth proportional to 15,930.99, 21,988.40 and 10,332.27 is: 14,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930.99 : 21,988.40 = 10,332.27 : x
  2. Step 2: Convert to fraction form
    15,930.99/21,988.40 = 10,332.27/x
  3. Step 3: Cross multiply
    15,930.99x = 21,988.40 × 10,332.27
  4. Step 4: Simplify right side
    15,930.99x = 227,190,034.01
  5. Step 5: Solve for x
    x = 227,190,034.01/15,930.99
  6. Step 6: Final answer
    x = 14,260.89

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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.