Home / 37,320.75-55,981.33-9,618.75

Finding the Fourth Proportional to 37,320.75, 55,981.33 and 9,618.75

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Solution

The fourth proportional to 37,320.75, 55,981.33 and 9,618.75 is: 14,428.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,320.75 : 55,981.33 = 9,618.75 : x
  2. Step 2: Convert to fraction form
    37,320.75/55,981.33 = 9,618.75/x
  3. Step 3: Cross multiply
    37,320.75x = 55,981.33 × 9,618.75
  4. Step 4: Simplify right side
    37,320.75x = 538,470,393.89
  5. Step 5: Solve for x
    x = 538,470,393.89/37,320.75
  6. Step 6: Final answer
    x = 14,428.18

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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.