Home / 16,056.89-22,155.68-13,663.80

Finding the Fourth Proportional to 16,056.89, 22,155.68 and 13,663.80

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Solution

The fourth proportional to 16,056.89, 22,155.68 and 13,663.80 is: 18,853.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,056.89 : 22,155.68 = 13,663.80 : x
  2. Step 2: Convert to fraction form
    16,056.89/22,155.68 = 13,663.80/x
  3. Step 3: Cross multiply
    16,056.89x = 22,155.68 × 13,663.80
  4. Step 4: Simplify right side
    16,056.89x = 302,730,628.64
  5. Step 5: Solve for x
    x = 302,730,628.64/16,056.89
  6. Step 6: Final answer
    x = 18,853.62

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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.