Home / 18,176.47-25,077.75-11,009.10

Finding the Fourth Proportional to 18,176.47, 25,077.75 and 11,009.10

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Solution

The fourth proportional to 18,176.47, 25,077.75 and 11,009.10 is: 15,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.47 : 25,077.75 = 11,009.10 : x
  2. Step 2: Convert to fraction form
    18,176.47/25,077.75 = 11,009.10/x
  3. Step 3: Cross multiply
    18,176.47x = 25,077.75 × 11,009.10
  4. Step 4: Simplify right side
    18,176.47x = 276,083,457.53
  5. Step 5: Solve for x
    x = 276,083,457.53/18,176.47
  6. Step 6: Final answer
    x = 15,189.06

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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.