Home / 21,048.04-29,046.45-11,616.94

Finding the Fourth Proportional to 21,048.04, 29,046.45 and 11,616.94

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Solution

The fourth proportional to 21,048.04, 29,046.45 and 11,616.94 is: 16,031.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.04 : 29,046.45 = 11,616.94 : x
  2. Step 2: Convert to fraction form
    21,048.04/29,046.45 = 11,616.94/x
  3. Step 3: Cross multiply
    21,048.04x = 29,046.45 × 11,616.94
  4. Step 4: Simplify right side
    21,048.04x = 337,430,866.86
  5. Step 5: Solve for x
    x = 337,430,866.86/21,048.04
  6. Step 6: Final answer
    x = 16,031.46

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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.