Home / 10,035.50-15,019.67-9,902.74

Finding the Fourth Proportional to 10,035.50, 15,019.67 and 9,902.74

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Solution

The fourth proportional to 10,035.50, 15,019.67 and 9,902.74 is: 14,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,035.50 : 15,019.67 = 9,902.74 : x
  2. Step 2: Convert to fraction form
    10,035.50/15,019.67 = 9,902.74/x
  3. Step 3: Cross multiply
    10,035.50x = 15,019.67 × 9,902.74
  4. Step 4: Simplify right side
    10,035.50x = 148,735,886.90
  5. Step 5: Solve for x
    x = 148,735,886.90/10,035.50
  6. Step 6: Final answer
    x = 14,820.97

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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.