Home / 26,724.96-40,088.52-11,931.12

Finding the Fourth Proportional to 26,724.96, 40,088.52 and 11,931.12

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Solution

The fourth proportional to 26,724.96, 40,088.52 and 11,931.12 is: 17,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,724.96 : 40,088.52 = 11,931.12 : x
  2. Step 2: Convert to fraction form
    26,724.96/40,088.52 = 11,931.12/x
  3. Step 3: Cross multiply
    26,724.96x = 40,088.52 × 11,931.12
  4. Step 4: Simplify right side
    26,724.96x = 478,300,942.74
  5. Step 5: Solve for x
    x = 478,300,942.74/26,724.96
  6. Step 6: Final answer
    x = 17,897.16

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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.