Home / 13,254.80-19,882.20-5,851.40

Finding the Fourth Proportional to 13,254.80, 19,882.20 and 5,851.40

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Solution

The fourth proportional to 13,254.80, 19,882.20 and 5,851.40 is: 8,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.80 : 19,882.20 = 5,851.40 : x
  2. Step 2: Convert to fraction form
    13,254.80/19,882.20 = 5,851.40/x
  3. Step 3: Cross multiply
    13,254.80x = 19,882.20 × 5,851.40
  4. Step 4: Simplify right side
    13,254.80x = 116,338,705.08
  5. Step 5: Solve for x
    x = 116,338,705.08/13,254.80
  6. Step 6: Final answer
    x = 8,777.10

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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.