Home / 13,568.71-18,731.23-9,095.39

Finding the Fourth Proportional to 13,568.71, 18,731.23 and 9,095.39

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Solution

The fourth proportional to 13,568.71, 18,731.23 and 9,095.39 is: 12,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.71 : 18,731.23 = 9,095.39 : x
  2. Step 2: Convert to fraction form
    13,568.71/18,731.23 = 9,095.39/x
  3. Step 3: Cross multiply
    13,568.71x = 18,731.23 × 9,095.39
  4. Step 4: Simplify right side
    13,568.71x = 170,367,748.37
  5. Step 5: Solve for x
    x = 170,367,748.37/13,568.71
  6. Step 6: Final answer
    x = 12,555.93

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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.