Home / 15,245.04-22,870.30-5,390.04

Finding the Fourth Proportional to 15,245.04, 22,870.30 and 5,390.04

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Solution

The fourth proportional to 15,245.04, 22,870.30 and 5,390.04 is: 8,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,245.04 : 22,870.30 = 5,390.04 : x
  2. Step 2: Convert to fraction form
    15,245.04/22,870.30 = 5,390.04/x
  3. Step 3: Cross multiply
    15,245.04x = 22,870.30 × 5,390.04
  4. Step 4: Simplify right side
    15,245.04x = 123,271,831.81
  5. Step 5: Solve for x
    x = 123,271,831.81/15,245.04
  6. Step 6: Final answer
    x = 8,086.03

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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.