Home / 19,637.32-27,107.40-13,353.52

Finding the Fourth Proportional to 19,637.32, 27,107.40 and 13,353.52

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Solution

The fourth proportional to 19,637.32, 27,107.40 and 13,353.52 is: 18,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.32 : 27,107.40 = 13,353.52 : x
  2. Step 2: Convert to fraction form
    19,637.32/27,107.40 = 13,353.52/x
  3. Step 3: Cross multiply
    19,637.32x = 27,107.40 × 13,353.52
  4. Step 4: Simplify right side
    19,637.32x = 361,979,208.05
  5. Step 5: Solve for x
    x = 361,979,208.05/19,637.32
  6. Step 6: Final answer
    x = 18,433.23

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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.