Home / 16,415.29-22,639.72-10,436.68

Finding the Fourth Proportional to 16,415.29, 22,639.72 and 10,436.68

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Solution

The fourth proportional to 16,415.29, 22,639.72 and 10,436.68 is: 14,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.29 : 22,639.72 = 10,436.68 : x
  2. Step 2: Convert to fraction form
    16,415.29/22,639.72 = 10,436.68/x
  3. Step 3: Cross multiply
    16,415.29x = 22,639.72 × 10,436.68
  4. Step 4: Simplify right side
    16,415.29x = 236,283,347.55
  5. Step 5: Solve for x
    x = 236,283,347.55/16,415.29
  6. Step 6: Final answer
    x = 14,394.11

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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.