Home / 19,528.48-29,290.29-7,837.75

Finding the Fourth Proportional to 19,528.48, 29,290.29 and 7,837.75

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Solution

The fourth proportional to 19,528.48, 29,290.29 and 7,837.75 is: 11,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,528.48 : 29,290.29 = 7,837.75 : x
  2. Step 2: Convert to fraction form
    19,528.48/29,290.29 = 7,837.75/x
  3. Step 3: Cross multiply
    19,528.48x = 29,290.29 × 7,837.75
  4. Step 4: Simplify right side
    19,528.48x = 229,569,970.45
  5. Step 5: Solve for x
    x = 229,569,970.45/19,528.48
  6. Step 6: Final answer
    x = 11,755.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.