Home / 20,223.73-30,341.80-10,369.93

Finding the Fourth Proportional to 20,223.73, 30,341.80 and 10,369.93

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Solution

The fourth proportional to 20,223.73, 30,341.80 and 10,369.93 is: 15,558.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.73 : 30,341.80 = 10,369.93 : x
  2. Step 2: Convert to fraction form
    20,223.73/30,341.80 = 10,369.93/x
  3. Step 3: Cross multiply
    20,223.73x = 30,341.80 × 10,369.93
  4. Step 4: Simplify right side
    20,223.73x = 314,642,342.07
  5. Step 5: Solve for x
    x = 314,642,342.07/20,223.73
  6. Step 6: Final answer
    x = 15,558.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.