Home / 15,746.71-21,708.69-11,262.64

Finding the Fourth Proportional to 15,746.71, 21,708.69 and 11,262.64

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Solution

The fourth proportional to 15,746.71, 21,708.69 and 11,262.64 is: 15,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,746.71 : 21,708.69 = 11,262.64 : x
  2. Step 2: Convert to fraction form
    15,746.71/21,708.69 = 11,262.64/x
  3. Step 3: Cross multiply
    15,746.71x = 21,708.69 × 11,262.64
  4. Step 4: Simplify right side
    15,746.71x = 244,497,160.34
  5. Step 5: Solve for x
    x = 244,497,160.34/15,746.71
  6. Step 6: Final answer
    x = 15,526.87

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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.