Home / 20,199.68-27,875.04-19,603.52

Finding the Fourth Proportional to 20,199.68, 27,875.04 and 19,603.52

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Solution

The fourth proportional to 20,199.68, 27,875.04 and 19,603.52 is: 27,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.68 : 27,875.04 = 19,603.52 : x
  2. Step 2: Convert to fraction form
    20,199.68/27,875.04 = 19,603.52/x
  3. Step 3: Cross multiply
    20,199.68x = 27,875.04 × 19,603.52
  4. Step 4: Simplify right side
    20,199.68x = 546,448,904.14
  5. Step 5: Solve for x
    x = 546,448,904.14/20,199.68
  6. Step 6: Final answer
    x = 27,052.35

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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.