Home / 18,820.24-25,970.89-10,753.59

Finding the Fourth Proportional to 18,820.24, 25,970.89 and 10,753.59

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Solution

The fourth proportional to 18,820.24, 25,970.89 and 10,753.59 is: 14,839.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,820.24 : 25,970.89 = 10,753.59 : x
  2. Step 2: Convert to fraction form
    18,820.24/25,970.89 = 10,753.59/x
  3. Step 3: Cross multiply
    18,820.24x = 25,970.89 × 10,753.59
  4. Step 4: Simplify right side
    18,820.24x = 279,280,303.00
  5. Step 5: Solve for x
    x = 279,280,303.00/18,820.24
  6. Step 6: Final answer
    x = 14,839.36

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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.