Home / 14,031.28-21,037.16-7,101.04

Finding the Fourth Proportional to 14,031.28, 21,037.16 and 7,101.04

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Solution

The fourth proportional to 14,031.28, 21,037.16 and 7,101.04 is: 10,646.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.28 : 21,037.16 = 7,101.04 : x
  2. Step 2: Convert to fraction form
    14,031.28/21,037.16 = 7,101.04/x
  3. Step 3: Cross multiply
    14,031.28x = 21,037.16 × 7,101.04
  4. Step 4: Simplify right side
    14,031.28x = 149,385,714.65
  5. Step 5: Solve for x
    x = 149,385,714.65/14,031.28
  6. Step 6: Final answer
    x = 10,646.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.