Home / 16,430.98-22,666.33-11,123.94

Finding the Fourth Proportional to 16,430.98, 22,666.33 and 11,123.94

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Solution

The fourth proportional to 16,430.98, 22,666.33 and 11,123.94 is: 15,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,430.98 : 22,666.33 = 11,123.94 : x
  2. Step 2: Convert to fraction form
    16,430.98/22,666.33 = 11,123.94/x
  3. Step 3: Cross multiply
    16,430.98x = 22,666.33 × 11,123.94
  4. Step 4: Simplify right side
    16,430.98x = 252,138,894.94
  5. Step 5: Solve for x
    x = 252,138,894.94/16,430.98
  6. Step 6: Final answer
    x = 15,345.34

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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.