Home / 15,026.48-20,753.55-10,238.12

Finding the Fourth Proportional to 15,026.48, 20,753.55 and 10,238.12

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Solution

The fourth proportional to 15,026.48, 20,753.55 and 10,238.12 is: 14,140.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,026.48 : 20,753.55 = 10,238.12 : x
  2. Step 2: Convert to fraction form
    15,026.48/20,753.55 = 10,238.12/x
  3. Step 3: Cross multiply
    15,026.48x = 20,753.55 × 10,238.12
  4. Step 4: Simplify right side
    15,026.48x = 212,477,231.56
  5. Step 5: Solve for x
    x = 212,477,231.56/15,026.48
  6. Step 6: Final answer
    x = 14,140.19

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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.