Home / 19,531.32-26,951.70-11,032.80

Finding the Fourth Proportional to 19,531.32, 26,951.70 and 11,032.80

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Solution

The fourth proportional to 19,531.32, 26,951.70 and 11,032.80 is: 15,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.32 : 26,951.70 = 11,032.80 : x
  2. Step 2: Convert to fraction form
    19,531.32/26,951.70 = 11,032.80/x
  3. Step 3: Cross multiply
    19,531.32x = 26,951.70 × 11,032.80
  4. Step 4: Simplify right side
    19,531.32x = 297,352,715.76
  5. Step 5: Solve for x
    x = 297,352,715.76/19,531.32
  6. Step 6: Final answer
    x = 15,224.40

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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.