Home / 17,931.71-26,886.80-6,839.24

Finding the Fourth Proportional to 17,931.71, 26,886.80 and 6,839.24

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Solution

The fourth proportional to 17,931.71, 26,886.80 and 6,839.24 is: 10,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931.71 : 26,886.80 = 6,839.24 : x
  2. Step 2: Convert to fraction form
    17,931.71/26,886.80 = 6,839.24/x
  3. Step 3: Cross multiply
    17,931.71x = 26,886.80 × 6,839.24
  4. Step 4: Simplify right side
    17,931.71x = 183,885,160.70
  5. Step 5: Solve for x
    x = 183,885,160.70/17,931.71
  6. Step 6: Final answer
    x = 10,254.75

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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.