Home / 19,274.99-28,871.45-9,265.06

Finding the Fourth Proportional to 19,274.99, 28,871.45 and 9,265.06

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Solution

The fourth proportional to 19,274.99, 28,871.45 and 9,265.06 is: 13,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274.99 : 28,871.45 = 9,265.06 : x
  2. Step 2: Convert to fraction form
    19,274.99/28,871.45 = 9,265.06/x
  3. Step 3: Cross multiply
    19,274.99x = 28,871.45 × 9,265.06
  4. Step 4: Simplify right side
    19,274.99x = 267,495,793.16
  5. Step 5: Solve for x
    x = 267,495,793.16/19,274.99
  6. Step 6: Final answer
    x = 13,877.87

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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.