Home / 26,552.11-39,835-7,831.39

Finding the Fourth Proportional to 26,552.11, 39,835 and 7,831.39

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Solution

The fourth proportional to 26,552.11, 39,835 and 7,831.39 is: 11,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,552.11 : 39,835 = 7,831.39 : x
  2. Step 2: Convert to fraction form
    26,552.11/39,835 = 7,831.39/x
  3. Step 3: Cross multiply
    26,552.11x = 39,835 × 7,831.39
  4. Step 4: Simplify right side
    26,552.11x = 311,963,420.65
  5. Step 5: Solve for x
    x = 311,963,420.65/26,552.11
  6. Step 6: Final answer
    x = 11,749.10

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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.