Home / 15,418.48-23,211.74-10,518.98

Finding the Fourth Proportional to 15,418.48, 23,211.74 and 10,518.98

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Solution

The fourth proportional to 15,418.48, 23,211.74 and 10,518.98 is: 15,835.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.48 : 23,211.74 = 10,518.98 : x
  2. Step 2: Convert to fraction form
    15,418.48/23,211.74 = 10,518.98/x
  3. Step 3: Cross multiply
    15,418.48x = 23,211.74 × 10,518.98
  4. Step 4: Simplify right side
    15,418.48x = 244,163,828.83
  5. Step 5: Solve for x
    x = 244,163,828.83/15,418.48
  6. Step 6: Final answer
    x = 15,835.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.