Home / 13,576.47-18,710.15-10,587.57

Finding the Fourth Proportional to 13,576.47, 18,710.15 and 10,587.57

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Solution

The fourth proportional to 13,576.47, 18,710.15 and 10,587.57 is: 14,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.47 : 18,710.15 = 10,587.57 : x
  2. Step 2: Convert to fraction form
    13,576.47/18,710.15 = 10,587.57/x
  3. Step 3: Cross multiply
    13,576.47x = 18,710.15 × 10,587.57
  4. Step 4: Simplify right side
    13,576.47x = 198,095,022.84
  5. Step 5: Solve for x
    x = 198,095,022.84/13,576.47
  6. Step 6: Final answer
    x = 14,591.06

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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.