Home / 19,456.48-26,848.85-11,499.45

Finding the Fourth Proportional to 19,456.48, 26,848.85 and 11,499.45

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Solution

The fourth proportional to 19,456.48, 26,848.85 and 11,499.45 is: 15,868.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,456.48 : 26,848.85 = 11,499.45 : x
  2. Step 2: Convert to fraction form
    19,456.48/26,848.85 = 11,499.45/x
  3. Step 3: Cross multiply
    19,456.48x = 26,848.85 × 11,499.45
  4. Step 4: Simplify right side
    19,456.48x = 308,746,849.95
  5. Step 5: Solve for x
    x = 308,746,849.95/19,456.48
  6. Step 6: Final answer
    x = 15,868.59

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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.