Home / 25,823.35-35,643.86-15,216.40

Finding the Fourth Proportional to 25,823.35, 35,643.86 and 15,216.40

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Solution

The fourth proportional to 25,823.35, 35,643.86 and 15,216.40 is: 21,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,823.35 : 35,643.86 = 15,216.40 : x
  2. Step 2: Convert to fraction form
    25,823.35/35,643.86 = 15,216.40/x
  3. Step 3: Cross multiply
    25,823.35x = 35,643.86 × 15,216.40
  4. Step 4: Simplify right side
    25,823.35x = 542,371,231.30
  5. Step 5: Solve for x
    x = 542,371,231.30/25,823.35
  6. Step 6: Final answer
    x = 21,003.13

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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.