Home / 19,114.40-28,590.60-17,154.20

Finding the Fourth Proportional to 19,114.40, 28,590.60 and 17,154.20

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Solution

The fourth proportional to 19,114.40, 28,590.60 and 17,154.20 is: 25,658.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.40 : 28,590.60 = 17,154.20 : x
  2. Step 2: Convert to fraction form
    19,114.40/28,590.60 = 17,154.20/x
  3. Step 3: Cross multiply
    19,114.40x = 28,590.60 × 17,154.20
  4. Step 4: Simplify right side
    19,114.40x = 490,448,870.52
  5. Step 5: Solve for x
    x = 490,448,870.52/19,114.40
  6. Step 6: Final answer
    x = 25,658.61

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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.