Home / 26,721.19-36,887.03-15,969.84

Finding the Fourth Proportional to 26,721.19, 36,887.03 and 15,969.84

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Solution

The fourth proportional to 26,721.19, 36,887.03 and 15,969.84 is: 22,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.19 : 36,887.03 = 15,969.84 : x
  2. Step 2: Convert to fraction form
    26,721.19/36,887.03 = 15,969.84/x
  3. Step 3: Cross multiply
    26,721.19x = 36,887.03 × 15,969.84
  4. Step 4: Simplify right side
    26,721.19x = 589,079,967.18
  5. Step 5: Solve for x
    x = 589,079,967.18/26,721.19
  6. Step 6: Final answer
    x = 22,045.42

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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.