Home / 14,022.08-21,030.48-5,255.12

Finding the Fourth Proportional to 14,022.08, 21,030.48 and 5,255.12

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Solution

The fourth proportional to 14,022.08, 21,030.48 and 5,255.12 is: 7,881.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.08 : 21,030.48 = 5,255.12 : x
  2. Step 2: Convert to fraction form
    14,022.08/21,030.48 = 5,255.12/x
  3. Step 3: Cross multiply
    14,022.08x = 21,030.48 × 5,255.12
  4. Step 4: Simplify right side
    14,022.08x = 110,517,696.06
  5. Step 5: Solve for x
    x = 110,517,696.06/14,022.08
  6. Step 6: Final answer
    x = 7,881.69

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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.