Home / 19,062.70-28,611.45-9,709.18

Finding the Fourth Proportional to 19,062.70, 28,611.45 and 9,709.18

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Solution

The fourth proportional to 19,062.70, 28,611.45 and 9,709.18 is: 14,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,062.70 : 28,611.45 = 9,709.18 : x
  2. Step 2: Convert to fraction form
    19,062.70/28,611.45 = 9,709.18/x
  3. Step 3: Cross multiply
    19,062.70x = 28,611.45 × 9,709.18
  4. Step 4: Simplify right side
    19,062.70x = 277,793,718.11
  5. Step 5: Solve for x
    x = 277,793,718.11/19,062.70
  6. Step 6: Final answer
    x = 14,572.63

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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.