Home / 14,666.18-20,239.08-8,292.66

Finding the Fourth Proportional to 14,666.18, 20,239.08 and 8,292.66

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Solution

The fourth proportional to 14,666.18, 20,239.08 and 8,292.66 is: 11,443.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.18 : 20,239.08 = 8,292.66 : x
  2. Step 2: Convert to fraction form
    14,666.18/20,239.08 = 8,292.66/x
  3. Step 3: Cross multiply
    14,666.18x = 20,239.08 × 8,292.66
  4. Step 4: Simplify right side
    14,666.18x = 167,835,809.15
  5. Step 5: Solve for x
    x = 167,835,809.15/14,666.18
  6. Step 6: Final answer
    x = 11,443.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.