Home / 26,152.80-36,099.12-16,721.40

Finding the Fourth Proportional to 26,152.80, 36,099.12 and 16,721.40

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Solution

The fourth proportional to 26,152.80, 36,099.12 and 16,721.40 is: 23,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,152.80 : 36,099.12 = 16,721.40 : x
  2. Step 2: Convert to fraction form
    26,152.80/36,099.12 = 16,721.40/x
  3. Step 3: Cross multiply
    26,152.80x = 36,099.12 × 16,721.40
  4. Step 4: Simplify right side
    26,152.80x = 603,627,825.17
  5. Step 5: Solve for x
    x = 603,627,825.17/26,152.80
  6. Step 6: Final answer
    x = 23,080.81

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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.