Home / 16,621.86-22,938.16-10,653.53

Finding the Fourth Proportional to 16,621.86, 22,938.16 and 10,653.53

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Solution

The fourth proportional to 16,621.86, 22,938.16 and 10,653.53 is: 14,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.86 : 22,938.16 = 10,653.53 : x
  2. Step 2: Convert to fraction form
    16,621.86/22,938.16 = 10,653.53/x
  3. Step 3: Cross multiply
    16,621.86x = 22,938.16 × 10,653.53
  4. Step 4: Simplify right side
    16,621.86x = 244,372,419.76
  5. Step 5: Solve for x
    x = 244,372,419.76/16,621.86
  6. Step 6: Final answer
    x = 14,701.87

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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.