Home / 18,867.06-26,032.32-10,909.08

Finding the Fourth Proportional to 18,867.06, 26,032.32 and 10,909.08

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Solution

The fourth proportional to 18,867.06, 26,032.32 and 10,909.08 is: 15,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867.06 : 26,032.32 = 10,909.08 : x
  2. Step 2: Convert to fraction form
    18,867.06/26,032.32 = 10,909.08/x
  3. Step 3: Cross multiply
    18,867.06x = 26,032.32 × 10,909.08
  4. Step 4: Simplify right side
    18,867.06x = 283,988,661.47
  5. Step 5: Solve for x
    x = 283,988,661.47/18,867.06
  6. Step 6: Final answer
    x = 15,052.09

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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.