Home / 26,270.32-39,411.88-8,740.08

Finding the Fourth Proportional to 26,270.32, 39,411.88 and 8,740.08

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Solution

The fourth proportional to 26,270.32, 39,411.88 and 8,740.08 is: 13,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,270.32 : 39,411.88 = 8,740.08 : x
  2. Step 2: Convert to fraction form
    26,270.32/39,411.88 = 8,740.08/x
  3. Step 3: Cross multiply
    26,270.32x = 39,411.88 × 8,740.08
  4. Step 4: Simplify right side
    26,270.32x = 344,462,984.15
  5. Step 5: Solve for x
    x = 344,462,984.15/26,270.32
  6. Step 6: Final answer
    x = 13,112.25

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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.