Home / 26,937.12-40,415.40-13,795.68

Finding the Fourth Proportional to 26,937.12, 40,415.40 and 13,795.68

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Solution

The fourth proportional to 26,937.12, 40,415.40 and 13,795.68 is: 20,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,937.12 : 40,415.40 = 13,795.68 : x
  2. Step 2: Convert to fraction form
    26,937.12/40,415.40 = 13,795.68/x
  3. Step 3: Cross multiply
    26,937.12x = 40,415.40 × 13,795.68
  4. Step 4: Simplify right side
    26,937.12x = 557,557,925.47
  5. Step 5: Solve for x
    x = 557,557,925.47/26,937.12
  6. Step 6: Final answer
    x = 20,698.50

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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.