Home / 18,570.41-25,628.49-10,615.13

Finding the Fourth Proportional to 18,570.41, 25,628.49 and 10,615.13

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Solution

The fourth proportional to 18,570.41, 25,628.49 and 10,615.13 is: 14,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.41 : 25,628.49 = 10,615.13 : x
  2. Step 2: Convert to fraction form
    18,570.41/25,628.49 = 10,615.13/x
  3. Step 3: Cross multiply
    18,570.41x = 25,628.49 × 10,615.13
  4. Step 4: Simplify right side
    18,570.41x = 272,049,624.91
  5. Step 5: Solve for x
    x = 272,049,624.91/18,570.41
  6. Step 6: Final answer
    x = 14,649.63

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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.