Home / 19,938.60-29,942.10-11,050.20

Finding the Fourth Proportional to 19,938.60, 29,942.10 and 11,050.20

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Solution

The fourth proportional to 19,938.60, 29,942.10 and 11,050.20 is: 16,594.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.60 : 29,942.10 = 11,050.20 : x
  2. Step 2: Convert to fraction form
    19,938.60/29,942.10 = 11,050.20/x
  3. Step 3: Cross multiply
    19,938.60x = 29,942.10 × 11,050.20
  4. Step 4: Simplify right side
    19,938.60x = 330,866,193.42
  5. Step 5: Solve for x
    x = 330,866,193.42/19,938.60
  6. Step 6: Final answer
    x = 16,594.25

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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.