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Finding the Fourth Proportional to 19,135.68, 26,407.68 and 10,752.32

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Solution

The fourth proportional to 19,135.68, 26,407.68 and 10,752.32 is: 14,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.68 : 26,407.68 = 10,752.32 : x
  2. Step 2: Convert to fraction form
    19,135.68/26,407.68 = 10,752.32/x
  3. Step 3: Cross multiply
    19,135.68x = 26,407.68 × 10,752.32
  4. Step 4: Simplify right side
    19,135.68x = 283,943,825.82
  5. Step 5: Solve for x
    x = 283,943,825.82/19,135.68
  6. Step 6: Final answer
    x = 14,838.45

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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.