Home / 25,823.04-35,640.84-15,069.20

Finding the Fourth Proportional to 25,823.04, 35,640.84 and 15,069.20

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Solution

The fourth proportional to 25,823.04, 35,640.84 and 15,069.20 is: 20,798.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,823.04 : 35,640.84 = 15,069.20 : x
  2. Step 2: Convert to fraction form
    25,823.04/35,640.84 = 15,069.20/x
  3. Step 3: Cross multiply
    25,823.04x = 35,640.84 × 15,069.20
  4. Step 4: Simplify right side
    25,823.04x = 537,078,767.92
  5. Step 5: Solve for x
    x = 537,078,767.92/25,823.04
  6. Step 6: Final answer
    x = 20,798.43

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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.