Home / 16,291.80-24,389.10-15,330.60

Finding the Fourth Proportional to 16,291.80, 24,389.10 and 15,330.60

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Solution

The fourth proportional to 16,291.80, 24,389.10 and 15,330.60 is: 22,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,291.80 : 24,389.10 = 15,330.60 : x
  2. Step 2: Convert to fraction form
    16,291.80/24,389.10 = 15,330.60/x
  3. Step 3: Cross multiply
    16,291.80x = 24,389.10 × 15,330.60
  4. Step 4: Simplify right side
    16,291.80x = 373,899,536.46
  5. Step 5: Solve for x
    x = 373,899,536.46/16,291.80
  6. Step 6: Final answer
    x = 22,950.17

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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.