Home / 14,810.16-20,418.12-14,351.52

Finding the Fourth Proportional to 14,810.16, 20,418.12 and 14,351.52

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Solution

The fourth proportional to 14,810.16, 20,418.12 and 14,351.52 is: 19,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.16 : 20,418.12 = 14,351.52 : x
  2. Step 2: Convert to fraction form
    14,810.16/20,418.12 = 14,351.52/x
  3. Step 3: Cross multiply
    14,810.16x = 20,418.12 × 14,351.52
  4. Step 4: Simplify right side
    14,810.16x = 293,031,057.54
  5. Step 5: Solve for x
    x = 293,031,057.54/14,810.16
  6. Step 6: Final answer
    x = 19,785.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.