Home / 16,182.96-22,316.64-10,515.60

Finding the Fourth Proportional to 16,182.96, 22,316.64 and 10,515.60

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Solution

The fourth proportional to 16,182.96, 22,316.64 and 10,515.60 is: 14,501.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,182.96 : 22,316.64 = 10,515.60 : x
  2. Step 2: Convert to fraction form
    16,182.96/22,316.64 = 10,515.60/x
  3. Step 3: Cross multiply
    16,182.96x = 22,316.64 × 10,515.60
  4. Step 4: Simplify right side
    16,182.96x = 234,672,859.58
  5. Step 5: Solve for x
    x = 234,672,859.58/16,182.96
  6. Step 6: Final answer
    x = 14,501.23

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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.