Home / 16,740.18-23,101.74-9,666.90

Finding the Fourth Proportional to 16,740.18, 23,101.74 and 9,666.90

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Solution

The fourth proportional to 16,740.18, 23,101.74 and 9,666.90 is: 13,340.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740.18 : 23,101.74 = 9,666.90 : x
  2. Step 2: Convert to fraction form
    16,740.18/23,101.74 = 9,666.90/x
  3. Step 3: Cross multiply
    16,740.18x = 23,101.74 × 9,666.90
  4. Step 4: Simplify right side
    16,740.18x = 223,322,210.41
  5. Step 5: Solve for x
    x = 223,322,210.41/16,740.18
  6. Step 6: Final answer
    x = 13,340.49

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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.