Home / 18,924.19-26,115.39-10,971.02

Finding the Fourth Proportional to 18,924.19, 26,115.39 and 10,971.02

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Solution

The fourth proportional to 18,924.19, 26,115.39 and 10,971.02 is: 15,140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.19 : 26,115.39 = 10,971.02 : x
  2. Step 2: Convert to fraction form
    18,924.19/26,115.39 = 10,971.02/x
  3. Step 3: Cross multiply
    18,924.19x = 26,115.39 × 10,971.02
  4. Step 4: Simplify right side
    18,924.19x = 286,512,466.00
  5. Step 5: Solve for x
    x = 286,512,466.00/18,924.19
  6. Step 6: Final answer
    x = 15,140.02

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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.