Home / 42,528.65-63,793.78-11,363.63

Finding the Fourth Proportional to 42,528.65, 63,793.78 and 11,363.63

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Solution

The fourth proportional to 42,528.65, 63,793.78 and 11,363.63 is: 17,045.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,528.65 : 63,793.78 = 11,363.63 : x
  2. Step 2: Convert to fraction form
    42,528.65/63,793.78 = 11,363.63/x
  3. Step 3: Cross multiply
    42,528.65x = 63,793.78 × 11,363.63
  4. Step 4: Simplify right side
    42,528.65x = 724,928,564.84
  5. Step 5: Solve for x
    x = 724,928,564.84/42,528.65
  6. Step 6: Final answer
    x = 17,045.65

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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.