Home / 15,923.15-21,967.60-9,207.53

Finding the Fourth Proportional to 15,923.15, 21,967.60 and 9,207.53

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Solution

The fourth proportional to 15,923.15, 21,967.60 and 9,207.53 is: 12,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.15 : 21,967.60 = 9,207.53 : x
  2. Step 2: Convert to fraction form
    15,923.15/21,967.60 = 9,207.53/x
  3. Step 3: Cross multiply
    15,923.15x = 21,967.60 × 9,207.53
  4. Step 4: Simplify right side
    15,923.15x = 202,267,336.03
  5. Step 5: Solve for x
    x = 202,267,336.03/15,923.15
  6. Step 6: Final answer
    x = 12,702.72

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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.