Home / 13,750.53-18,975.75-7,462.91

Finding the Fourth Proportional to 13,750.53, 18,975.75 and 7,462.91

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Solution

The fourth proportional to 13,750.53, 18,975.75 and 7,462.91 is: 10,298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.53 : 18,975.75 = 7,462.91 : x
  2. Step 2: Convert to fraction form
    13,750.53/18,975.75 = 7,462.91/x
  3. Step 3: Cross multiply
    13,750.53x = 18,975.75 × 7,462.91
  4. Step 4: Simplify right side
    13,750.53x = 141,614,219.55
  5. Step 5: Solve for x
    x = 141,614,219.55/13,750.53
  6. Step 6: Final answer
    x = 10,298.82

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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.