Home / 17,640.32-24,342.80-10,570.64

Finding the Fourth Proportional to 17,640.32, 24,342.80 and 10,570.64

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Solution

The fourth proportional to 17,640.32, 24,342.80 and 10,570.64 is: 14,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.32 : 24,342.80 = 10,570.64 : x
  2. Step 2: Convert to fraction form
    17,640.32/24,342.80 = 10,570.64/x
  3. Step 3: Cross multiply
    17,640.32x = 24,342.80 × 10,570.64
  4. Step 4: Simplify right side
    17,640.32x = 257,318,975.39
  5. Step 5: Solve for x
    x = 257,318,975.39/17,640.32
  6. Step 6: Final answer
    x = 14,586.98

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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.