Home / 29,130.50-43,703.04-12,482.30

Finding the Fourth Proportional to 29,130.50, 43,703.04 and 12,482.30

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Solution

The fourth proportional to 29,130.50, 43,703.04 and 12,482.30 is: 18,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130.50 : 43,703.04 = 12,482.30 : x
  2. Step 2: Convert to fraction form
    29,130.50/43,703.04 = 12,482.30/x
  3. Step 3: Cross multiply
    29,130.50x = 43,703.04 × 12,482.30
  4. Step 4: Simplify right side
    29,130.50x = 545,514,456.19
  5. Step 5: Solve for x
    x = 545,514,456.19/29,130.50
  6. Step 6: Final answer
    x = 18,726.57

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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.