Home / 22,856.40-34,269.80-9,705.20

Finding the Fourth Proportional to 22,856.40, 34,269.80 and 9,705.20

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Solution

The fourth proportional to 22,856.40, 34,269.80 and 9,705.20 is: 14,551.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,856.40 : 34,269.80 = 9,705.20 : x
  2. Step 2: Convert to fraction form
    22,856.40/34,269.80 = 9,705.20/x
  3. Step 3: Cross multiply
    22,856.40x = 34,269.80 × 9,705.20
  4. Step 4: Simplify right side
    22,856.40x = 332,595,262.96
  5. Step 5: Solve for x
    x = 332,595,262.96/22,856.40
  6. Step 6: Final answer
    x = 14,551.52

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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.