Home / 16,312.48-24,579.88-13,415.82

Finding the Fourth Proportional to 16,312.48, 24,579.88 and 13,415.82

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Solution

The fourth proportional to 16,312.48, 24,579.88 and 13,415.82 is: 20,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,312.48 : 24,579.88 = 13,415.82 : x
  2. Step 2: Convert to fraction form
    16,312.48/24,579.88 = 13,415.82/x
  3. Step 3: Cross multiply
    16,312.48x = 24,579.88 × 13,415.82
  4. Step 4: Simplify right side
    16,312.48x = 329,759,245.70
  5. Step 5: Solve for x
    x = 329,759,245.70/16,312.48
  6. Step 6: Final answer
    x = 20,215.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.