Home / 19,349.64-26,708.18-12,636.32

Finding the Fourth Proportional to 19,349.64, 26,708.18 and 12,636.32

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Solution

The fourth proportional to 19,349.64, 26,708.18 and 12,636.32 is: 17,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,349.64 : 26,708.18 = 12,636.32 : x
  2. Step 2: Convert to fraction form
    19,349.64/26,708.18 = 12,636.32/x
  3. Step 3: Cross multiply
    19,349.64x = 26,708.18 × 12,636.32
  4. Step 4: Simplify right side
    19,349.64x = 337,492,912.38
  5. Step 5: Solve for x
    x = 337,492,912.38/19,349.64
  6. Step 6: Final answer
    x = 17,441.82

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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.