Home / 16,602.51-22,940.65-13,272.81

Finding the Fourth Proportional to 16,602.51, 22,940.65 and 13,272.81

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Solution

The fourth proportional to 16,602.51, 22,940.65 and 13,272.81 is: 18,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,602.51 : 22,940.65 = 13,272.81 : x
  2. Step 2: Convert to fraction form
    16,602.51/22,940.65 = 13,272.81/x
  3. Step 3: Cross multiply
    16,602.51x = 22,940.65 × 13,272.81
  4. Step 4: Simplify right side
    16,602.51x = 304,486,888.73
  5. Step 5: Solve for x
    x = 304,486,888.73/16,602.51
  6. Step 6: Final answer
    x = 18,339.81

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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.