Home / 16,663.12-22,995.70-9,953.89

Finding the Fourth Proportional to 16,663.12, 22,995.70 and 9,953.89

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Solution

The fourth proportional to 16,663.12, 22,995.70 and 9,953.89 is: 13,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,663.12 : 22,995.70 = 9,953.89 : x
  2. Step 2: Convert to fraction form
    16,663.12/22,995.70 = 9,953.89/x
  3. Step 3: Cross multiply
    16,663.12x = 22,995.70 × 9,953.89
  4. Step 4: Simplify right side
    16,663.12x = 228,896,585.90
  5. Step 5: Solve for x
    x = 228,896,585.90/16,663.12
  6. Step 6: Final answer
    x = 13,736.72

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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.