Home / 19,414.90-26,784.98-10,915.07

Finding the Fourth Proportional to 19,414.90, 26,784.98 and 10,915.07

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Solution

The fourth proportional to 19,414.90, 26,784.98 and 10,915.07 is: 15,058.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,414.90 : 26,784.98 = 10,915.07 : x
  2. Step 2: Convert to fraction form
    19,414.90/26,784.98 = 10,915.07/x
  3. Step 3: Cross multiply
    19,414.90x = 26,784.98 × 10,915.07
  4. Step 4: Simplify right side
    19,414.90x = 292,359,821.75
  5. Step 5: Solve for x
    x = 292,359,821.75/19,414.90
  6. Step 6: Final answer
    x = 15,058.53

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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.