Home / 22,315.20-30,795.86-12,244.08

Finding the Fourth Proportional to 22,315.20, 30,795.86 and 12,244.08

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Solution

The fourth proportional to 22,315.20, 30,795.86 and 12,244.08 is: 16,897.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,315.20 : 30,795.86 = 12,244.08 : x
  2. Step 2: Convert to fraction form
    22,315.20/30,795.86 = 12,244.08/x
  3. Step 3: Cross multiply
    22,315.20x = 30,795.86 × 12,244.08
  4. Step 4: Simplify right side
    22,315.20x = 377,066,973.51
  5. Step 5: Solve for x
    x = 377,066,973.51/22,315.20
  6. Step 6: Final answer
    x = 16,897.32

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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.