Home / 19,337.57-26,690.69-11,881.25

Finding the Fourth Proportional to 19,337.57, 26,690.69 and 11,881.25

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Solution

The fourth proportional to 19,337.57, 26,690.69 and 11,881.25 is: 16,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.57 : 26,690.69 = 11,881.25 : x
  2. Step 2: Convert to fraction form
    19,337.57/26,690.69 = 11,881.25/x
  3. Step 3: Cross multiply
    19,337.57x = 26,690.69 × 11,881.25
  4. Step 4: Simplify right side
    19,337.57x = 317,118,701.16
  5. Step 5: Solve for x
    x = 317,118,701.16/19,337.57
  6. Step 6: Final answer
    x = 16,399.10

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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.