Home / 13,750.52-18,975.21-7,462.76

Finding the Fourth Proportional to 13,750.52, 18,975.21 and 7,462.76

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Solution

The fourth proportional to 13,750.52, 18,975.21 and 7,462.76 is: 10,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.52 : 18,975.21 = 7,462.76 : x
  2. Step 2: Convert to fraction form
    13,750.52/18,975.21 = 7,462.76/x
  3. Step 3: Cross multiply
    13,750.52x = 18,975.21 × 7,462.76
  4. Step 4: Simplify right side
    13,750.52x = 141,607,438.18
  5. Step 5: Solve for x
    x = 141,607,438.18/13,750.52
  6. Step 6: Final answer
    x = 10,298.33

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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.