Home / 15,178.07-22,648.39-13,602.01

Finding the Fourth Proportional to 15,178.07, 22,648.39 and 13,602.01

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Solution

The fourth proportional to 15,178.07, 22,648.39 and 13,602.01 is: 20,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.07 : 22,648.39 = 13,602.01 : x
  2. Step 2: Convert to fraction form
    15,178.07/22,648.39 = 13,602.01/x
  3. Step 3: Cross multiply
    15,178.07x = 22,648.39 × 13,602.01
  4. Step 4: Simplify right side
    15,178.07x = 308,063,596.07
  5. Step 5: Solve for x
    x = 308,063,596.07/15,178.07
  6. Step 6: Final answer
    x = 20,296.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.