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Finding the Fourth Proportional to 19,236.52, 26,547.20 and 10,853

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Solution

The fourth proportional to 19,236.52, 26,547.20 and 10,853 is: 14,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.52 : 26,547.20 = 10,853 : x
  2. Step 2: Convert to fraction form
    19,236.52/26,547.20 = 10,853/x
  3. Step 3: Cross multiply
    19,236.52x = 26,547.20 × 10,853
  4. Step 4: Simplify right side
    19,236.52x = 288,116,761.60
  5. Step 5: Solve for x
    x = 288,116,761.60/19,236.52
  6. Step 6: Final answer
    x = 14,977.59

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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.