Home / 14,505.19-21,753.85-3,972.67

Finding the Fourth Proportional to 14,505.19, 21,753.85 and 3,972.67

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Solution

The fourth proportional to 14,505.19, 21,753.85 and 3,972.67 is: 5,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.19 : 21,753.85 = 3,972.67 : x
  2. Step 2: Convert to fraction form
    14,505.19/21,753.85 = 3,972.67/x
  3. Step 3: Cross multiply
    14,505.19x = 21,753.85 × 3,972.67
  4. Step 4: Simplify right side
    14,505.19x = 86,420,916.41
  5. Step 5: Solve for x
    x = 86,420,916.41/14,505.19
  6. Step 6: Final answer
    x = 5,957.93

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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.