Home / 19,531.35-26,953.18-10,917.52

Finding the Fourth Proportional to 19,531.35, 26,953.18 and 10,917.52

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Solution

The fourth proportional to 19,531.35, 26,953.18 and 10,917.52 is: 15,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.35 : 26,953.18 = 10,917.52 : x
  2. Step 2: Convert to fraction form
    19,531.35/26,953.18 = 10,917.52/x
  3. Step 3: Cross multiply
    19,531.35x = 26,953.18 × 10,917.52
  4. Step 4: Simplify right side
    19,531.35x = 294,261,881.71
  5. Step 5: Solve for x
    x = 294,261,881.71/19,531.35
  6. Step 6: Final answer
    x = 15,066.13

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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.