Home / 13,342.89-20,011.28-5,023.77

Finding the Fourth Proportional to 13,342.89, 20,011.28 and 5,023.77

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Solution

The fourth proportional to 13,342.89, 20,011.28 and 5,023.77 is: 7,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.89 : 20,011.28 = 5,023.77 : x
  2. Step 2: Convert to fraction form
    13,342.89/20,011.28 = 5,023.77/x
  3. Step 3: Cross multiply
    13,342.89x = 20,011.28 × 5,023.77
  4. Step 4: Simplify right side
    13,342.89x = 100,532,043.01
  5. Step 5: Solve for x
    x = 100,532,043.01/13,342.89
  6. Step 6: Final answer
    x = 7,534.50

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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.