Home / 22,913.60-34,370.40-10,439.60

Finding the Fourth Proportional to 22,913.60, 34,370.40 and 10,439.60

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Solution

The fourth proportional to 22,913.60, 34,370.40 and 10,439.60 is: 15,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,913.60 : 34,370.40 = 10,439.60 : x
  2. Step 2: Convert to fraction form
    22,913.60/34,370.40 = 10,439.60/x
  3. Step 3: Cross multiply
    22,913.60x = 34,370.40 × 10,439.60
  4. Step 4: Simplify right side
    22,913.60x = 358,813,227.84
  5. Step 5: Solve for x
    x = 358,813,227.84/22,913.60
  6. Step 6: Final answer
    x = 15,659.40

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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.