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Finding the Fourth Proportional to 17,666.64, 24,378.57 and 10,113.12

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Solution

The fourth proportional to 17,666.64, 24,378.57 and 10,113.12 is: 13,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.64 : 24,378.57 = 10,113.12 : x
  2. Step 2: Convert to fraction form
    17,666.64/24,378.57 = 10,113.12/x
  3. Step 3: Cross multiply
    17,666.64x = 24,378.57 × 10,113.12
  4. Step 4: Simplify right side
    17,666.64x = 246,543,403.84
  5. Step 5: Solve for x
    x = 246,543,403.84/17,666.64
  6. Step 6: Final answer
    x = 13,955.31

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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.