Home / 14,332.32-21,486.28-5,442.68

Finding the Fourth Proportional to 14,332.32, 21,486.28 and 5,442.68

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Solution

The fourth proportional to 14,332.32, 21,486.28 and 5,442.68 is: 8,159.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332.32 : 21,486.28 = 5,442.68 : x
  2. Step 2: Convert to fraction form
    14,332.32/21,486.28 = 5,442.68/x
  3. Step 3: Cross multiply
    14,332.32x = 21,486.28 × 5,442.68
  4. Step 4: Simplify right side
    14,332.32x = 116,942,946.43
  5. Step 5: Solve for x
    x = 116,942,946.43/14,332.32
  6. Step 6: Final answer
    x = 8,159.39

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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.