Home / 26,203.80-36,152.46-15,587.40

Finding the Fourth Proportional to 26,203.80, 36,152.46 and 15,587.40

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Solution

The fourth proportional to 26,203.80, 36,152.46 and 15,587.40 is: 21,505.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,203.80 : 36,152.46 = 15,587.40 : x
  2. Step 2: Convert to fraction form
    26,203.80/36,152.46 = 15,587.40/x
  3. Step 3: Cross multiply
    26,203.80x = 36,152.46 × 15,587.40
  4. Step 4: Simplify right side
    26,203.80x = 563,522,855.00
  5. Step 5: Solve for x
    x = 563,522,855.00/26,203.80
  6. Step 6: Final answer
    x = 21,505.39

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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.