Home / 15,113.30-22,647.63-7,312.82

Finding the Fourth Proportional to 15,113.30, 22,647.63 and 7,312.82

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Solution

The fourth proportional to 15,113.30, 22,647.63 and 7,312.82 is: 10,958.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113.30 : 22,647.63 = 7,312.82 : x
  2. Step 2: Convert to fraction form
    15,113.30/22,647.63 = 7,312.82/x
  3. Step 3: Cross multiply
    15,113.30x = 22,647.63 × 7,312.82
  4. Step 4: Simplify right side
    15,113.30x = 165,618,041.62
  5. Step 5: Solve for x
    x = 165,618,041.62/15,113.30
  6. Step 6: Final answer
    x = 10,958.43

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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.