Home / 15,980.84-22,063.83-10,318.13

Finding the Fourth Proportional to 15,980.84, 22,063.83 and 10,318.13

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Solution

The fourth proportional to 15,980.84, 22,063.83 and 10,318.13 is: 14,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.84 : 22,063.83 = 10,318.13 : x
  2. Step 2: Convert to fraction form
    15,980.84/22,063.83 = 10,318.13/x
  3. Step 3: Cross multiply
    15,980.84x = 22,063.83 × 10,318.13
  4. Step 4: Simplify right side
    15,980.84x = 227,657,466.24
  5. Step 5: Solve for x
    x = 227,657,466.24/15,980.84
  6. Step 6: Final answer
    x = 14,245.65

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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.