Home / 15,437.27-21,304.26-8,723.18

Finding the Fourth Proportional to 15,437.27, 21,304.26 and 8,723.18

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Solution

The fourth proportional to 15,437.27, 21,304.26 and 8,723.18 is: 12,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,437.27 : 21,304.26 = 8,723.18 : x
  2. Step 2: Convert to fraction form
    15,437.27/21,304.26 = 8,723.18/x
  3. Step 3: Cross multiply
    15,437.27x = 21,304.26 × 8,723.18
  4. Step 4: Simplify right side
    15,437.27x = 185,840,894.75
  5. Step 5: Solve for x
    x = 185,840,894.75/15,437.27
  6. Step 6: Final answer
    x = 12,038.46

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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.