Home / 25,638.04-35,382.12-15,023.80

Finding the Fourth Proportional to 25,638.04, 35,382.12 and 15,023.80

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Solution

The fourth proportional to 25,638.04, 35,382.12 and 15,023.80 is: 20,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,638.04 : 35,382.12 = 15,023.80 : x
  2. Step 2: Convert to fraction form
    25,638.04/35,382.12 = 15,023.80/x
  3. Step 3: Cross multiply
    25,638.04x = 35,382.12 × 15,023.80
  4. Step 4: Simplify right side
    25,638.04x = 531,573,894.46
  5. Step 5: Solve for x
    x = 531,573,894.46/25,638.04
  6. Step 6: Final answer
    x = 20,733.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.