Home / 19,557.20-29,335.80-5,706.20

Finding the Fourth Proportional to 19,557.20, 29,335.80 and 5,706.20

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Solution

The fourth proportional to 19,557.20, 29,335.80 and 5,706.20 is: 8,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.20 : 29,335.80 = 5,706.20 : x
  2. Step 2: Convert to fraction form
    19,557.20/29,335.80 = 5,706.20/x
  3. Step 3: Cross multiply
    19,557.20x = 29,335.80 × 5,706.20
  4. Step 4: Simplify right side
    19,557.20x = 167,395,941.96
  5. Step 5: Solve for x
    x = 167,395,941.96/19,557.20
  6. Step 6: Final answer
    x = 8,559.30

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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.