Home / 16,456.84-22,719.58-10,415.10

Finding the Fourth Proportional to 16,456.84, 22,719.58 and 10,415.10

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Solution

The fourth proportional to 16,456.84, 22,719.58 and 10,415.10 is: 14,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,456.84 : 22,719.58 = 10,415.10 : x
  2. Step 2: Convert to fraction form
    16,456.84/22,719.58 = 10,415.10/x
  3. Step 3: Cross multiply
    16,456.84x = 22,719.58 × 10,415.10
  4. Step 4: Simplify right side
    16,456.84x = 236,626,697.66
  5. Step 5: Solve for x
    x = 236,626,697.66/16,456.84
  6. Step 6: Final answer
    x = 14,378.62

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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.