Home / 14,020.93-21,030.57-5,255.11

Finding the Fourth Proportional to 14,020.93, 21,030.57 and 5,255.11

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Solution

The fourth proportional to 14,020.93, 21,030.57 and 5,255.11 is: 7,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.93 : 21,030.57 = 5,255.11 : x
  2. Step 2: Convert to fraction form
    14,020.93/21,030.57 = 5,255.11/x
  3. Step 3: Cross multiply
    14,020.93x = 21,030.57 × 5,255.11
  4. Step 4: Simplify right side
    14,020.93x = 110,517,958.71
  5. Step 5: Solve for x
    x = 110,517,958.71/14,020.93
  6. Step 6: Final answer
    x = 7,882.36

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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.