Home / 21,048.62-29,045.67-11,616.98

Finding the Fourth Proportional to 21,048.62, 29,045.67 and 11,616.98

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Solution

The fourth proportional to 21,048.62, 29,045.67 and 11,616.98 is: 16,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.62 : 29,045.67 = 11,616.98 : x
  2. Step 2: Convert to fraction form
    21,048.62/29,045.67 = 11,616.98/x
  3. Step 3: Cross multiply
    21,048.62x = 29,045.67 × 11,616.98
  4. Step 4: Simplify right side
    21,048.62x = 337,422,967.48
  5. Step 5: Solve for x
    x = 337,422,967.48/21,048.62
  6. Step 6: Final answer
    x = 16,030.65

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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.