Home / 16,031.40-22,129.52-14,349.84

Finding the Fourth Proportional to 16,031.40, 22,129.52 and 14,349.84

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Solution

The fourth proportional to 16,031.40, 22,129.52 and 14,349.84 is: 19,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,031.40 : 22,129.52 = 14,349.84 : x
  2. Step 2: Convert to fraction form
    16,031.40/22,129.52 = 14,349.84/x
  3. Step 3: Cross multiply
    16,031.40x = 22,129.52 × 14,349.84
  4. Step 4: Simplify right side
    16,031.40x = 317,555,071.28
  5. Step 5: Solve for x
    x = 317,555,071.28/16,031.40
  6. Step 6: Final answer
    x = 19,808.32

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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.