Home / 19,248.66-28,865.70-7,555.50

Finding the Fourth Proportional to 19,248.66, 28,865.70 and 7,555.50

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Solution

The fourth proportional to 19,248.66, 28,865.70 and 7,555.50 is: 11,330.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.66 : 28,865.70 = 7,555.50 : x
  2. Step 2: Convert to fraction form
    19,248.66/28,865.70 = 7,555.50/x
  3. Step 3: Cross multiply
    19,248.66x = 28,865.70 × 7,555.50
  4. Step 4: Simplify right side
    19,248.66x = 218,094,796.35
  5. Step 5: Solve for x
    x = 218,094,796.35/19,248.66
  6. Step 6: Final answer
    x = 11,330.39

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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.