Home / 16,239.74-22,402.58-9,864.63

Finding the Fourth Proportional to 16,239.74, 22,402.58 and 9,864.63

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Solution

The fourth proportional to 16,239.74, 22,402.58 and 9,864.63 is: 13,608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.74 : 22,402.58 = 9,864.63 : x
  2. Step 2: Convert to fraction form
    16,239.74/22,402.58 = 9,864.63/x
  3. Step 3: Cross multiply
    16,239.74x = 22,402.58 × 9,864.63
  4. Step 4: Simplify right side
    16,239.74x = 220,993,113.42
  5. Step 5: Solve for x
    x = 220,993,113.42/16,239.74
  6. Step 6: Final answer
    x = 13,608.17

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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.