Home / 15,830.20-23,726.10-7,055.80

Finding the Fourth Proportional to 15,830.20, 23,726.10 and 7,055.80

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Solution

The fourth proportional to 15,830.20, 23,726.10 and 7,055.80 is: 10,575.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,830.20 : 23,726.10 = 7,055.80 : x
  2. Step 2: Convert to fraction form
    15,830.20/23,726.10 = 7,055.80/x
  3. Step 3: Cross multiply
    15,830.20x = 23,726.10 × 7,055.80
  4. Step 4: Simplify right side
    15,830.20x = 167,406,616.38
  5. Step 5: Solve for x
    x = 167,406,616.38/15,830.20
  6. Step 6: Final answer
    x = 10,575.14

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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.