Home / 15,988.71-23,969.39-6,135.06

Finding the Fourth Proportional to 15,988.71, 23,969.39 and 6,135.06

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Solution

The fourth proportional to 15,988.71, 23,969.39 and 6,135.06 is: 9,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.71 : 23,969.39 = 6,135.06 : x
  2. Step 2: Convert to fraction form
    15,988.71/23,969.39 = 6,135.06/x
  3. Step 3: Cross multiply
    15,988.71x = 23,969.39 × 6,135.06
  4. Step 4: Simplify right side
    15,988.71x = 147,053,721.07
  5. Step 5: Solve for x
    x = 147,053,721.07/15,988.71
  6. Step 6: Final answer
    x = 9,197.35

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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.