Home / 15,209.90-22,812.36-5,346.86

Finding the Fourth Proportional to 15,209.90, 22,812.36 and 5,346.86

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Solution

The fourth proportional to 15,209.90, 22,812.36 and 5,346.86 is: 8,019.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.90 : 22,812.36 = 5,346.86 : x
  2. Step 2: Convert to fraction form
    15,209.90/22,812.36 = 5,346.86/x
  3. Step 3: Cross multiply
    15,209.90x = 22,812.36 × 5,346.86
  4. Step 4: Simplify right side
    15,209.90x = 121,974,495.19
  5. Step 5: Solve for x
    x = 121,974,495.19/15,209.90
  6. Step 6: Final answer
    x = 8,019.41

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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.