Home / 16,999.98-23,468.33-13,038.77

Finding the Fourth Proportional to 16,999.98, 23,468.33 and 13,038.77

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Solution

The fourth proportional to 16,999.98, 23,468.33 and 13,038.77 is: 17,999.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.98 : 23,468.33 = 13,038.77 : x
  2. Step 2: Convert to fraction form
    16,999.98/23,468.33 = 13,038.77/x
  3. Step 3: Cross multiply
    16,999.98x = 23,468.33 × 13,038.77
  4. Step 4: Simplify right side
    16,999.98x = 305,998,248.42
  5. Step 5: Solve for x
    x = 305,998,248.42/16,999.98
  6. Step 6: Final answer
    x = 17,999.92

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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.