Home / 18,155.24-25,056.94-11,085.76

Finding the Fourth Proportional to 18,155.24, 25,056.94 and 11,085.76

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Solution

The fourth proportional to 18,155.24, 25,056.94 and 11,085.76 is: 15,300.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.24 : 25,056.94 = 11,085.76 : x
  2. Step 2: Convert to fraction form
    18,155.24/25,056.94 = 11,085.76/x
  3. Step 3: Cross multiply
    18,155.24x = 25,056.94 × 11,085.76
  4. Step 4: Simplify right side
    18,155.24x = 277,775,223.17
  5. Step 5: Solve for x
    x = 277,775,223.17/18,155.24
  6. Step 6: Final answer
    x = 15,300.00

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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.