Home / 18,256.65-25,193.66-10,190.54

Finding the Fourth Proportional to 18,256.65, 25,193.66 and 10,190.54

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Solution

The fourth proportional to 18,256.65, 25,193.66 and 10,190.54 is: 14,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.65 : 25,193.66 = 10,190.54 : x
  2. Step 2: Convert to fraction form
    18,256.65/25,193.66 = 10,190.54/x
  3. Step 3: Cross multiply
    18,256.65x = 25,193.66 × 10,190.54
  4. Step 4: Simplify right side
    18,256.65x = 256,736,823.06
  5. Step 5: Solve for x
    x = 256,736,823.06/18,256.65
  6. Step 6: Final answer
    x = 14,062.65

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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.