Home / 13,748.46-20,624.31-10,307.58

Finding the Fourth Proportional to 13,748.46, 20,624.31 and 10,307.58

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Solution

The fourth proportional to 13,748.46, 20,624.31 and 10,307.58 is: 15,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.46 : 20,624.31 = 10,307.58 : x
  2. Step 2: Convert to fraction form
    13,748.46/20,624.31 = 10,307.58/x
  3. Step 3: Cross multiply
    13,748.46x = 20,624.31 × 10,307.58
  4. Step 4: Simplify right side
    13,748.46x = 212,586,725.27
  5. Step 5: Solve for x
    x = 212,586,725.27/13,748.46
  6. Step 6: Final answer
    x = 15,462.58

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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.