Home / 19,925.28-27,482.40-16,936.32

Finding the Fourth Proportional to 19,925.28, 27,482.40 and 16,936.32

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Solution

The fourth proportional to 19,925.28, 27,482.40 and 16,936.32 is: 23,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,925.28 : 27,482.40 = 16,936.32 : x
  2. Step 2: Convert to fraction form
    19,925.28/27,482.40 = 16,936.32/x
  3. Step 3: Cross multiply
    19,925.28x = 27,482.40 × 16,936.32
  4. Step 4: Simplify right side
    19,925.28x = 465,450,720.77
  5. Step 5: Solve for x
    x = 465,450,720.77/19,925.28
  6. Step 6: Final answer
    x = 23,359.81

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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.