Home / 20,018.07-27,628.29-12,061.04

Finding the Fourth Proportional to 20,018.07, 27,628.29 and 12,061.04

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Solution

The fourth proportional to 20,018.07, 27,628.29 and 12,061.04 is: 16,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.07 : 27,628.29 = 12,061.04 : x
  2. Step 2: Convert to fraction form
    20,018.07/27,628.29 = 12,061.04/x
  3. Step 3: Cross multiply
    20,018.07x = 27,628.29 × 12,061.04
  4. Step 4: Simplify right side
    20,018.07x = 333,225,772.68
  5. Step 5: Solve for x
    x = 333,225,772.68/20,018.07
  6. Step 6: Final answer
    x = 16,646.25

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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.