Home / 16,031.78-22,117.38-10,656.81

Finding the Fourth Proportional to 16,031.78, 22,117.38 and 10,656.81

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Solution

The fourth proportional to 16,031.78, 22,117.38 and 10,656.81 is: 14,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,031.78 : 22,117.38 = 10,656.81 : x
  2. Step 2: Convert to fraction form
    16,031.78/22,117.38 = 10,656.81/x
  3. Step 3: Cross multiply
    16,031.78x = 22,117.38 × 10,656.81
  4. Step 4: Simplify right side
    16,031.78x = 235,700,716.36
  5. Step 5: Solve for x
    x = 235,700,716.36/16,031.78
  6. Step 6: Final answer
    x = 14,702.10

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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.