Home / 14,031.12-21,032.04-5,707.80

Finding the Fourth Proportional to 14,031.12, 21,032.04 and 5,707.80

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Solution

The fourth proportional to 14,031.12, 21,032.04 and 5,707.80 is: 8,555.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.12 : 21,032.04 = 5,707.80 : x
  2. Step 2: Convert to fraction form
    14,031.12/21,032.04 = 5,707.80/x
  3. Step 3: Cross multiply
    14,031.12x = 21,032.04 × 5,707.80
  4. Step 4: Simplify right side
    14,031.12x = 120,046,677.91
  5. Step 5: Solve for x
    x = 120,046,677.91/14,031.12
  6. Step 6: Final answer
    x = 8,555.74

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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.