Home / 16,342.74-22,574.09-13,521.51

Finding the Fourth Proportional to 16,342.74, 22,574.09 and 13,521.51

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Solution

The fourth proportional to 16,342.74, 22,574.09 and 13,521.51 is: 18,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,342.74 : 22,574.09 = 13,521.51 : x
  2. Step 2: Convert to fraction form
    16,342.74/22,574.09 = 13,521.51/x
  3. Step 3: Cross multiply
    16,342.74x = 22,574.09 × 13,521.51
  4. Step 4: Simplify right side
    16,342.74x = 305,235,783.68
  5. Step 5: Solve for x
    x = 305,235,783.68/16,342.74
  6. Step 6: Final answer
    x = 18,677.15

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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.