Home / 19,132.40-28,674.29-10,817.08

Finding the Fourth Proportional to 19,132.40, 28,674.29 and 10,817.08

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Solution

The fourth proportional to 19,132.40, 28,674.29 and 10,817.08 is: 16,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.40 : 28,674.29 = 10,817.08 : x
  2. Step 2: Convert to fraction form
    19,132.40/28,674.29 = 10,817.08/x
  3. Step 3: Cross multiply
    19,132.40x = 28,674.29 × 10,817.08
  4. Step 4: Simplify right side
    19,132.40x = 310,172,044.23
  5. Step 5: Solve for x
    x = 310,172,044.23/19,132.40
  6. Step 6: Final answer
    x = 16,211.87

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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.