Home / 14,159.32-21,240.52-4,670.46

Finding the Fourth Proportional to 14,159.32, 21,240.52 and 4,670.46

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Solution

The fourth proportional to 14,159.32, 21,240.52 and 4,670.46 is: 7,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.32 : 21,240.52 = 4,670.46 : x
  2. Step 2: Convert to fraction form
    14,159.32/21,240.52 = 4,670.46/x
  3. Step 3: Cross multiply
    14,159.32x = 21,240.52 × 4,670.46
  4. Step 4: Simplify right side
    14,159.32x = 99,202,987.36
  5. Step 5: Solve for x
    x = 99,202,987.36/14,159.32
  6. Step 6: Final answer
    x = 7,006.20

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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.