Home / 18,448.65-25,459.13-10,491.36

Finding the Fourth Proportional to 18,448.65, 25,459.13 and 10,491.36

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Solution

The fourth proportional to 18,448.65, 25,459.13 and 10,491.36 is: 14,478.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.65 : 25,459.13 = 10,491.36 : x
  2. Step 2: Convert to fraction form
    18,448.65/25,459.13 = 10,491.36/x
  3. Step 3: Cross multiply
    18,448.65x = 25,459.13 × 10,491.36
  4. Step 4: Simplify right side
    18,448.65x = 267,100,845.66
  5. Step 5: Solve for x
    x = 267,100,845.66/18,448.65
  6. Step 6: Final answer
    x = 14,478.07

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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.