Home / 18,927.64-26,124.64-10,974.24

Finding the Fourth Proportional to 18,927.64, 26,124.64 and 10,974.24

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Solution

The fourth proportional to 18,927.64, 26,124.64 and 10,974.24 is: 15,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927.64 : 26,124.64 = 10,974.24 : x
  2. Step 2: Convert to fraction form
    18,927.64/26,124.64 = 10,974.24/x
  3. Step 3: Cross multiply
    18,927.64x = 26,124.64 × 10,974.24
  4. Step 4: Simplify right side
    18,927.64x = 286,698,069.27
  5. Step 5: Solve for x
    x = 286,698,069.27/18,927.64
  6. Step 6: Final answer
    x = 15,147.06

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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.