Home / 16,188.60-22,341.98-9,476.40

Finding the Fourth Proportional to 16,188.60, 22,341.98 and 9,476.40

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Solution

The fourth proportional to 16,188.60, 22,341.98 and 9,476.40 is: 13,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,188.60 : 22,341.98 = 9,476.40 : x
  2. Step 2: Convert to fraction form
    16,188.60/22,341.98 = 9,476.40/x
  3. Step 3: Cross multiply
    16,188.60x = 22,341.98 × 9,476.40
  4. Step 4: Simplify right side
    16,188.60x = 211,721,539.27
  5. Step 5: Solve for x
    x = 211,721,539.27/16,188.60
  6. Step 6: Final answer
    x = 13,078.43

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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.