Home / 25,638.58-38,475.04-8,998.70

Finding the Fourth Proportional to 25,638.58, 38,475.04 and 8,998.70

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Solution

The fourth proportional to 25,638.58, 38,475.04 and 8,998.70 is: 13,504.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,638.58 : 38,475.04 = 8,998.70 : x
  2. Step 2: Convert to fraction form
    25,638.58/38,475.04 = 8,998.70/x
  3. Step 3: Cross multiply
    25,638.58x = 38,475.04 × 8,998.70
  4. Step 4: Simplify right side
    25,638.58x = 346,225,342.45
  5. Step 5: Solve for x
    x = 346,225,342.45/25,638.58
  6. Step 6: Final answer
    x = 13,504.08

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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.