Home / 14,637.61-21,960.37-5,278.67

Finding the Fourth Proportional to 14,637.61, 21,960.37 and 5,278.67

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Solution

The fourth proportional to 14,637.61, 21,960.37 and 5,278.67 is: 7,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637.61 : 21,960.37 = 5,278.67 : x
  2. Step 2: Convert to fraction form
    14,637.61/21,960.37 = 5,278.67/x
  3. Step 3: Cross multiply
    14,637.61x = 21,960.37 × 5,278.67
  4. Step 4: Simplify right side
    14,637.61x = 115,921,443.10
  5. Step 5: Solve for x
    x = 115,921,443.10/14,637.61
  6. Step 6: Final answer
    x = 7,919.43

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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.