Home / 16,718.52-23,071.47-9,165.17

Finding the Fourth Proportional to 16,718.52, 23,071.47 and 9,165.17

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Solution

The fourth proportional to 16,718.52, 23,071.47 and 9,165.17 is: 12,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.52 : 23,071.47 = 9,165.17 : x
  2. Step 2: Convert to fraction form
    16,718.52/23,071.47 = 9,165.17/x
  3. Step 3: Cross multiply
    16,718.52x = 23,071.47 × 9,165.17
  4. Step 4: Simplify right side
    16,718.52x = 211,453,829.34
  5. Step 5: Solve for x
    x = 211,453,829.34/16,718.52
  6. Step 6: Final answer
    x = 12,647.88

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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.