Home / 19,925.65-27,493.37-15,144.32

Finding the Fourth Proportional to 19,925.65, 27,493.37 and 15,144.32

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Solution

The fourth proportional to 19,925.65, 27,493.37 and 15,144.32 is: 20,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,925.65 : 27,493.37 = 15,144.32 : x
  2. Step 2: Convert to fraction form
    19,925.65/27,493.37 = 15,144.32/x
  3. Step 3: Cross multiply
    19,925.65x = 27,493.37 × 15,144.32
  4. Step 4: Simplify right side
    19,925.65x = 416,368,373.50
  5. Step 5: Solve for x
    x = 416,368,373.50/19,925.65
  6. Step 6: Final answer
    x = 20,896.10

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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.