Home / 26,321.46-36,300.10-21,838.11

Finding the Fourth Proportional to 26,321.46, 36,300.10 and 21,838.11

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Solution

The fourth proportional to 26,321.46, 36,300.10 and 21,838.11 is: 30,117.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.46 : 36,300.10 = 21,838.11 : x
  2. Step 2: Convert to fraction form
    26,321.46/36,300.10 = 21,838.11/x
  3. Step 3: Cross multiply
    26,321.46x = 36,300.10 × 21,838.11
  4. Step 4: Simplify right side
    26,321.46x = 792,725,427.04
  5. Step 5: Solve for x
    x = 792,725,427.04/26,321.46
  6. Step 6: Final answer
    x = 30,117.08

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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.