Home / 25,715.20-38,510.51-17,795.52

Finding the Fourth Proportional to 25,715.20, 38,510.51 and 17,795.52

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Solution

The fourth proportional to 25,715.20, 38,510.51 and 17,795.52 is: 26,650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,715.20 : 38,510.51 = 17,795.52 : x
  2. Step 2: Convert to fraction form
    25,715.20/38,510.51 = 17,795.52/x
  3. Step 3: Cross multiply
    25,715.20x = 38,510.51 × 17,795.52
  4. Step 4: Simplify right side
    25,715.20x = 685,314,461.94
  5. Step 5: Solve for x
    x = 685,314,461.94/25,715.20
  6. Step 6: Final answer
    x = 26,650.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.