Home / 19,307.30-26,637.89-10,808.18

Finding the Fourth Proportional to 19,307.30, 26,637.89 and 10,808.18

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Solution

The fourth proportional to 19,307.30, 26,637.89 and 10,808.18 is: 14,911.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307.30 : 26,637.89 = 10,808.18 : x
  2. Step 2: Convert to fraction form
    19,307.30/26,637.89 = 10,808.18/x
  3. Step 3: Cross multiply
    19,307.30x = 26,637.89 × 10,808.18
  4. Step 4: Simplify right side
    19,307.30x = 287,906,922.71
  5. Step 5: Solve for x
    x = 287,906,922.71/19,307.30
  6. Step 6: Final answer
    x = 14,911.81

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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.