Home / 16,420.04-22,660.53-9,348.74

Finding the Fourth Proportional to 16,420.04, 22,660.53 and 9,348.74

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Solution

The fourth proportional to 16,420.04, 22,660.53 and 9,348.74 is: 12,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,420.04 : 22,660.53 = 9,348.74 : x
  2. Step 2: Convert to fraction form
    16,420.04/22,660.53 = 9,348.74/x
  3. Step 3: Cross multiply
    16,420.04x = 22,660.53 × 9,348.74
  4. Step 4: Simplify right side
    16,420.04x = 211,847,403.23
  5. Step 5: Solve for x
    x = 211,847,403.23/16,420.04
  6. Step 6: Final answer
    x = 12,901.76

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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.