Home / 16,656.72-23,005.17-11,342.31

Finding the Fourth Proportional to 16,656.72, 23,005.17 and 11,342.31

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Solution

The fourth proportional to 16,656.72, 23,005.17 and 11,342.31 is: 15,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,656.72 : 23,005.17 = 11,342.31 : x
  2. Step 2: Convert to fraction form
    16,656.72/23,005.17 = 11,342.31/x
  3. Step 3: Cross multiply
    16,656.72x = 23,005.17 × 11,342.31
  4. Step 4: Simplify right side
    16,656.72x = 260,931,769.74
  5. Step 5: Solve for x
    x = 260,931,769.74/16,656.72
  6. Step 6: Final answer
    x = 15,665.26

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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.