Home / 20,248.56-30,346.80-9,702.74

Finding the Fourth Proportional to 20,248.56, 30,346.80 and 9,702.74

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Solution

The fourth proportional to 20,248.56, 30,346.80 and 9,702.74 is: 14,541.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.56 : 30,346.80 = 9,702.74 : x
  2. Step 2: Convert to fraction form
    20,248.56/30,346.80 = 9,702.74/x
  3. Step 3: Cross multiply
    20,248.56x = 30,346.80 × 9,702.74
  4. Step 4: Simplify right side
    20,248.56x = 294,447,110.23
  5. Step 5: Solve for x
    x = 294,447,110.23/20,248.56
  6. Step 6: Final answer
    x = 14,541.63

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1.5x scale

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.