Home / 13,374.86-20,064.72-7,534.76

Finding the Fourth Proportional to 13,374.86, 20,064.72 and 7,534.76

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Solution

The fourth proportional to 13,374.86, 20,064.72 and 7,534.76 is: 11,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.86 : 20,064.72 = 7,534.76 : x
  2. Step 2: Convert to fraction form
    13,374.86/20,064.72 = 7,534.76/x
  3. Step 3: Cross multiply
    13,374.86x = 20,064.72 × 7,534.76
  4. Step 4: Simplify right side
    13,374.86x = 151,182,849.67
  5. Step 5: Solve for x
    x = 151,182,849.67/13,374.86
  6. Step 6: Final answer
    x = 11,303.51

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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.