Home / 14,277.60-19,702.16-7,903.75

Finding the Fourth Proportional to 14,277.60, 19,702.16 and 7,903.75

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Solution

The fourth proportional to 14,277.60, 19,702.16 and 7,903.75 is: 10,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.60 : 19,702.16 = 7,903.75 : x
  2. Step 2: Convert to fraction form
    14,277.60/19,702.16 = 7,903.75/x
  3. Step 3: Cross multiply
    14,277.60x = 19,702.16 × 7,903.75
  4. Step 4: Simplify right side
    14,277.60x = 155,720,952.53
  5. Step 5: Solve for x
    x = 155,720,952.53/14,277.60
  6. Step 6: Final answer
    x = 10,906.66

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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.