Home / 19,337.64-26,690.04-11,786.40

Finding the Fourth Proportional to 19,337.64, 26,690.04 and 11,786.40

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Solution

The fourth proportional to 19,337.64, 26,690.04 and 11,786.40 is: 16,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.64 : 26,690.04 = 11,786.40 : x
  2. Step 2: Convert to fraction form
    19,337.64/26,690.04 = 11,786.40/x
  3. Step 3: Cross multiply
    19,337.64x = 26,690.04 × 11,786.40
  4. Step 4: Simplify right side
    19,337.64x = 314,579,487.46
  5. Step 5: Solve for x
    x = 314,579,487.46/19,337.64
  6. Step 6: Final answer
    x = 16,267.73

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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.