Home / 19,513.40-26,927.55-11,445.95

Finding the Fourth Proportional to 19,513.40, 26,927.55 and 11,445.95

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Solution

The fourth proportional to 19,513.40, 26,927.55 and 11,445.95 is: 15,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.40 : 26,927.55 = 11,445.95 : x
  2. Step 2: Convert to fraction form
    19,513.40/26,927.55 = 11,445.95/x
  3. Step 3: Cross multiply
    19,513.40x = 26,927.55 × 11,445.95
  4. Step 4: Simplify right side
    19,513.40x = 308,211,256.28
  5. Step 5: Solve for x
    x = 308,211,256.28/19,513.40
  6. Step 6: Final answer
    x = 15,794.86

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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.