Home / 19,215.51-26,517.56-10,717.35

Finding the Fourth Proportional to 19,215.51, 26,517.56 and 10,717.35

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Solution

The fourth proportional to 19,215.51, 26,517.56 and 10,717.35 is: 14,790.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.51 : 26,517.56 = 10,717.35 : x
  2. Step 2: Convert to fraction form
    19,215.51/26,517.56 = 10,717.35/x
  3. Step 3: Cross multiply
    19,215.51x = 26,517.56 × 10,717.35
  4. Step 4: Simplify right side
    19,215.51x = 284,197,971.67
  5. Step 5: Solve for x
    x = 284,197,971.67/19,215.51
  6. Step 6: Final answer
    x = 14,790.03

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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.