Home / 16,691.32-23,030.49-9,615.16

Finding the Fourth Proportional to 16,691.32, 23,030.49 and 9,615.16

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Solution

The fourth proportional to 16,691.32, 23,030.49 and 9,615.16 is: 13,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.32 : 23,030.49 = 9,615.16 : x
  2. Step 2: Convert to fraction form
    16,691.32/23,030.49 = 9,615.16/x
  3. Step 3: Cross multiply
    16,691.32x = 23,030.49 × 9,615.16
  4. Step 4: Simplify right side
    16,691.32x = 221,441,846.23
  5. Step 5: Solve for x
    x = 221,441,846.23/16,691.32
  6. Step 6: Final answer
    x = 13,266.89

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Double scale
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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.