Home / 19,615.23-29,423.13-5,575.29

Finding the Fourth Proportional to 19,615.23, 29,423.13 and 5,575.29

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Solution

The fourth proportional to 19,615.23, 29,423.13 and 5,575.29 is: 8,363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.23 : 29,423.13 = 5,575.29 : x
  2. Step 2: Convert to fraction form
    19,615.23/29,423.13 = 5,575.29/x
  3. Step 3: Cross multiply
    19,615.23x = 29,423.13 × 5,575.29
  4. Step 4: Simplify right side
    19,615.23x = 164,042,482.46
  5. Step 5: Solve for x
    x = 164,042,482.46/19,615.23
  6. Step 6: Final answer
    x = 8,363.02

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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.