Home / 22,202.02-30,637.87-12,130.81

Finding the Fourth Proportional to 22,202.02, 30,637.87 and 12,130.81

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Solution

The fourth proportional to 22,202.02, 30,637.87 and 12,130.81 is: 16,740.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,202.02 : 30,637.87 = 12,130.81 : x
  2. Step 2: Convert to fraction form
    22,202.02/30,637.87 = 12,130.81/x
  3. Step 3: Cross multiply
    22,202.02x = 30,637.87 × 12,130.81
  4. Step 4: Simplify right side
    22,202.02x = 371,662,141.09
  5. Step 5: Solve for x
    x = 371,662,141.09/22,202.02
  6. Step 6: Final answer
    x = 16,740.01

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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.