Home / 19,702.47-27,188.90-10,750.04

Finding the Fourth Proportional to 19,702.47, 27,188.90 and 10,750.04

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Solution

The fourth proportional to 19,702.47, 27,188.90 and 10,750.04 is: 14,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.47 : 27,188.90 = 10,750.04 : x
  2. Step 2: Convert to fraction form
    19,702.47/27,188.90 = 10,750.04/x
  3. Step 3: Cross multiply
    19,702.47x = 27,188.90 × 10,750.04
  4. Step 4: Simplify right side
    19,702.47x = 292,281,626.61
  5. Step 5: Solve for x
    x = 292,281,626.61/19,702.47
  6. Step 6: Final answer
    x = 14,834.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.