Home / 25,590.60-38,410.20-15,749.10

Finding the Fourth Proportional to 25,590.60, 38,410.20 and 15,749.10

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Solution

The fourth proportional to 25,590.60, 38,410.20 and 15,749.10 is: 23,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,590.60 : 38,410.20 = 15,749.10 : x
  2. Step 2: Convert to fraction form
    25,590.60/38,410.20 = 15,749.10/x
  3. Step 3: Cross multiply
    25,590.60x = 38,410.20 × 15,749.10
  4. Step 4: Simplify right side
    25,590.60x = 604,926,080.82
  5. Step 5: Solve for x
    x = 604,926,080.82/25,590.60
  6. Step 6: Final answer
    x = 23,638.60

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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.