Home / 19,292.84-26,588.59-15,915.14

Finding the Fourth Proportional to 19,292.84, 26,588.59 and 15,915.14

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Solution

The fourth proportional to 19,292.84, 26,588.59 and 15,915.14 is: 21,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.84 : 26,588.59 = 15,915.14 : x
  2. Step 2: Convert to fraction form
    19,292.84/26,588.59 = 15,915.14/x
  3. Step 3: Cross multiply
    19,292.84x = 26,588.59 × 15,915.14
  4. Step 4: Simplify right side
    19,292.84x = 423,160,919.73
  5. Step 5: Solve for x
    x = 423,160,919.73/19,292.84
  6. Step 6: Final answer
    x = 21,933.58

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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.