Home / 21,928.93-30,265.33-14,397.11

Finding the Fourth Proportional to 21,928.93, 30,265.33 and 14,397.11

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Solution

The fourth proportional to 21,928.93, 30,265.33 and 14,397.11 is: 19,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.93 : 30,265.33 = 14,397.11 : x
  2. Step 2: Convert to fraction form
    21,928.93/30,265.33 = 14,397.11/x
  3. Step 3: Cross multiply
    21,928.93x = 30,265.33 × 14,397.11
  4. Step 4: Simplify right side
    21,928.93x = 435,733,097.88
  5. Step 5: Solve for x
    x = 435,733,097.88/21,928.93
  6. Step 6: Final answer
    x = 19,870.24

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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.