Home / 22,320.63-30,802.85-12,250.01

Finding the Fourth Proportional to 22,320.63, 30,802.85 and 12,250.01

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Solution

The fourth proportional to 22,320.63, 30,802.85 and 12,250.01 is: 16,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.63 : 30,802.85 = 12,250.01 : x
  2. Step 2: Convert to fraction form
    22,320.63/30,802.85 = 12,250.01/x
  3. Step 3: Cross multiply
    22,320.63x = 30,802.85 × 12,250.01
  4. Step 4: Simplify right side
    22,320.63x = 377,335,282.22
  5. Step 5: Solve for x
    x = 377,335,282.22/22,320.63
  6. Step 6: Final answer
    x = 16,905.23

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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.