Home / 25,693.07-35,462.15-15,619.38

Finding the Fourth Proportional to 25,693.07, 35,462.15 and 15,619.38

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Solution

The fourth proportional to 25,693.07, 35,462.15 and 15,619.38 is: 21,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.07 : 35,462.15 = 15,619.38 : x
  2. Step 2: Convert to fraction form
    25,693.07/35,462.15 = 15,619.38/x
  3. Step 3: Cross multiply
    25,693.07x = 35,462.15 × 15,619.38
  4. Step 4: Simplify right side
    25,693.07x = 553,896,658.20
  5. Step 5: Solve for x
    x = 553,896,658.20/25,693.07
  6. Step 6: Final answer
    x = 21,558.21

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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.