Home / 16,415.13-22,587.26-15,955.86

Finding the Fourth Proportional to 16,415.13, 22,587.26 and 15,955.86

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Solution

The fourth proportional to 16,415.13, 22,587.26 and 15,955.86 is: 21,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.13 : 22,587.26 = 15,955.86 : x
  2. Step 2: Convert to fraction form
    16,415.13/22,587.26 = 15,955.86/x
  3. Step 3: Cross multiply
    16,415.13x = 22,587.26 × 15,955.86
  4. Step 4: Simplify right side
    16,415.13x = 360,399,158.34
  5. Step 5: Solve for x
    x = 360,399,158.34/16,415.13
  6. Step 6: Final answer
    x = 21,955.30

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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.