Home / 15,465.07-23,209.26-11,315.78

Finding the Fourth Proportional to 15,465.07, 23,209.26 and 11,315.78

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Solution

The fourth proportional to 15,465.07, 23,209.26 and 11,315.78 is: 16,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465.07 : 23,209.26 = 11,315.78 : x
  2. Step 2: Convert to fraction form
    15,465.07/23,209.26 = 11,315.78/x
  3. Step 3: Cross multiply
    15,465.07x = 23,209.26 × 11,315.78
  4. Step 4: Simplify right side
    15,465.07x = 262,630,908.41
  5. Step 5: Solve for x
    x = 262,630,908.41/15,465.07
  6. Step 6: Final answer
    x = 16,982.20

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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.