Home / 15,457.41-21,332.52-8,744.22

Finding the Fourth Proportional to 15,457.41, 21,332.52 and 8,744.22

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Solution

The fourth proportional to 15,457.41, 21,332.52 and 8,744.22 is: 12,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457.41 : 21,332.52 = 8,744.22 : x
  2. Step 2: Convert to fraction form
    15,457.41/21,332.52 = 8,744.22/x
  3. Step 3: Cross multiply
    15,457.41x = 21,332.52 × 8,744.22
  4. Step 4: Simplify right side
    15,457.41x = 186,536,248.03
  5. Step 5: Solve for x
    x = 186,536,248.03/15,457.41
  6. Step 6: Final answer
    x = 12,067.76

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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.