Home / 14,356.88-21,541.80-7,332.56

Finding the Fourth Proportional to 14,356.88, 21,541.80 and 7,332.56

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Solution

The fourth proportional to 14,356.88, 21,541.80 and 7,332.56 is: 11,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.88 : 21,541.80 = 7,332.56 : x
  2. Step 2: Convert to fraction form
    14,356.88/21,541.80 = 7,332.56/x
  3. Step 3: Cross multiply
    14,356.88x = 21,541.80 × 7,332.56
  4. Step 4: Simplify right side
    14,356.88x = 157,956,541.01
  5. Step 5: Solve for x
    x = 157,956,541.01/14,356.88
  6. Step 6: Final answer
    x = 11,002.15

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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.