Home / 15,479.04-23,222.49-7,165.05

Finding the Fourth Proportional to 15,479.04, 23,222.49 and 7,165.05

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Solution

The fourth proportional to 15,479.04, 23,222.49 and 7,165.05 is: 10,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.04 : 23,222.49 = 7,165.05 : x
  2. Step 2: Convert to fraction form
    15,479.04/23,222.49 = 7,165.05/x
  3. Step 3: Cross multiply
    15,479.04x = 23,222.49 × 7,165.05
  4. Step 4: Simplify right side
    15,479.04x = 166,390,301.97
  5. Step 5: Solve for x
    x = 166,390,301.97/15,479.04
  6. Step 6: Final answer
    x = 10,749.39

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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.