Home / 23,165.13-31,967.90-12,554.76

Finding the Fourth Proportional to 23,165.13, 31,967.90 and 12,554.76

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Solution

The fourth proportional to 23,165.13, 31,967.90 and 12,554.76 is: 17,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165.13 : 31,967.90 = 12,554.76 : x
  2. Step 2: Convert to fraction form
    23,165.13/31,967.90 = 12,554.76/x
  3. Step 3: Cross multiply
    23,165.13x = 31,967.90 × 12,554.76
  4. Step 4: Simplify right side
    23,165.13x = 401,349,312.20
  5. Step 5: Solve for x
    x = 401,349,312.20/23,165.13
  6. Step 6: Final answer
    x = 17,325.58

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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.