Home / 13,050.80-19,576.20-9,114.20

Finding the Fourth Proportional to 13,050.80, 19,576.20 and 9,114.20

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Solution

The fourth proportional to 13,050.80, 19,576.20 and 9,114.20 is: 13,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.80 : 19,576.20 = 9,114.20 : x
  2. Step 2: Convert to fraction form
    13,050.80/19,576.20 = 9,114.20/x
  3. Step 3: Cross multiply
    13,050.80x = 19,576.20 × 9,114.20
  4. Step 4: Simplify right side
    13,050.80x = 178,421,402.04
  5. Step 5: Solve for x
    x = 178,421,402.04/13,050.80
  6. Step 6: Final answer
    x = 13,671.30

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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.