Home / 13,562.25-18,702.75-10,576.99

Finding the Fourth Proportional to 13,562.25, 18,702.75 and 10,576.99

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Solution

The fourth proportional to 13,562.25, 18,702.75 and 10,576.99 is: 14,585.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.25 : 18,702.75 = 10,576.99 : x
  2. Step 2: Convert to fraction form
    13,562.25/18,702.75 = 10,576.99/x
  3. Step 3: Cross multiply
    13,562.25x = 18,702.75 × 10,576.99
  4. Step 4: Simplify right side
    13,562.25x = 197,818,799.72
  5. Step 5: Solve for x
    x = 197,818,799.72/13,562.25
  6. Step 6: Final answer
    x = 14,585.99

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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.