Home / 15,872.66-23,807.07-4,186.76

Finding the Fourth Proportional to 15,872.66, 23,807.07 and 4,186.76

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Solution

The fourth proportional to 15,872.66, 23,807.07 and 4,186.76 is: 6,279.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,872.66 : 23,807.07 = 4,186.76 : x
  2. Step 2: Convert to fraction form
    15,872.66/23,807.07 = 4,186.76/x
  3. Step 3: Cross multiply
    15,872.66x = 23,807.07 × 4,186.76
  4. Step 4: Simplify right side
    15,872.66x = 99,674,488.39
  5. Step 5: Solve for x
    x = 99,674,488.39/15,872.66
  6. Step 6: Final answer
    x = 6,279.63

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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.