Home / 26,988.06-40,444.53-13,812.60

Finding the Fourth Proportional to 26,988.06, 40,444.53 and 13,812.60

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Solution

The fourth proportional to 26,988.06, 40,444.53 and 13,812.60 is: 20,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.06 : 40,444.53 = 13,812.60 : x
  2. Step 2: Convert to fraction form
    26,988.06/40,444.53 = 13,812.60/x
  3. Step 3: Cross multiply
    26,988.06x = 40,444.53 × 13,812.60
  4. Step 4: Simplify right side
    26,988.06x = 558,644,115.08
  5. Step 5: Solve for x
    x = 558,644,115.08/26,988.06
  6. Step 6: Final answer
    x = 20,699.68

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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.