Home / 16,054.34-22,155.48-8,980.74

Finding the Fourth Proportional to 16,054.34, 22,155.48 and 8,980.74

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Solution

The fourth proportional to 16,054.34, 22,155.48 and 8,980.74 is: 12,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,054.34 : 22,155.48 = 8,980.74 : x
  2. Step 2: Convert to fraction form
    16,054.34/22,155.48 = 8,980.74/x
  3. Step 3: Cross multiply
    16,054.34x = 22,155.48 × 8,980.74
  4. Step 4: Simplify right side
    16,054.34x = 198,972,605.46
  5. Step 5: Solve for x
    x = 198,972,605.46/16,054.34
  6. Step 6: Final answer
    x = 12,393.70

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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.