Home / 16,701.12-23,023.44-13,551.84

Finding the Fourth Proportional to 16,701.12, 23,023.44 and 13,551.84

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Solution

The fourth proportional to 16,701.12, 23,023.44 and 13,551.84 is: 18,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,701.12 : 23,023.44 = 13,551.84 : x
  2. Step 2: Convert to fraction form
    16,701.12/23,023.44 = 13,551.84/x
  3. Step 3: Cross multiply
    16,701.12x = 23,023.44 × 13,551.84
  4. Step 4: Simplify right side
    16,701.12x = 312,009,975.13
  5. Step 5: Solve for x
    x = 312,009,975.13/16,701.12
  6. Step 6: Final answer
    x = 18,681.98

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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.