Home / 14,874.50-22,320.40-6,666.50

Finding the Fourth Proportional to 14,874.50, 22,320.40 and 6,666.50

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Solution

The fourth proportional to 14,874.50, 22,320.40 and 6,666.50 is: 10,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,874.50 : 22,320.40 = 6,666.50 : x
  2. Step 2: Convert to fraction form
    14,874.50/22,320.40 = 6,666.50/x
  3. Step 3: Cross multiply
    14,874.50x = 22,320.40 × 6,666.50
  4. Step 4: Simplify right side
    14,874.50x = 148,798,946.60
  5. Step 5: Solve for x
    x = 148,798,946.60/14,874.50
  6. Step 6: Final answer
    x = 10,003.63

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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.