Home / 21,502.24-32,236.80-6,702.40

Finding the Fourth Proportional to 21,502.24, 32,236.80 and 6,702.40

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Solution

The fourth proportional to 21,502.24, 32,236.80 and 6,702.40 is: 10,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502.24 : 32,236.80 = 6,702.40 : x
  2. Step 2: Convert to fraction form
    21,502.24/32,236.80 = 6,702.40/x
  3. Step 3: Cross multiply
    21,502.24x = 32,236.80 × 6,702.40
  4. Step 4: Simplify right side
    21,502.24x = 216,063,928.32
  5. Step 5: Solve for x
    x = 216,063,928.32/21,502.24
  6. Step 6: Final answer
    x = 10,048.44

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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.