Home / 14,362.81-21,541.78-3,972.13

Finding the Fourth Proportional to 14,362.81, 21,541.78 and 3,972.13

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Solution

The fourth proportional to 14,362.81, 21,541.78 and 3,972.13 is: 5,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,362.81 : 21,541.78 = 3,972.13 : x
  2. Step 2: Convert to fraction form
    14,362.81/21,541.78 = 3,972.13/x
  3. Step 3: Cross multiply
    14,362.81x = 21,541.78 × 3,972.13
  4. Step 4: Simplify right side
    14,362.81x = 85,566,750.59
  5. Step 5: Solve for x
    x = 85,566,750.59/14,362.81
  6. Step 6: Final answer
    x = 5,957.52

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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.