Home / 19,112.61-26,374.50-10,615.28

Finding the Fourth Proportional to 19,112.61, 26,374.50 and 10,615.28

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Solution

The fourth proportional to 19,112.61, 26,374.50 and 10,615.28 is: 14,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.61 : 26,374.50 = 10,615.28 : x
  2. Step 2: Convert to fraction form
    19,112.61/26,374.50 = 10,615.28/x
  3. Step 3: Cross multiply
    19,112.61x = 26,374.50 × 10,615.28
  4. Step 4: Simplify right side
    19,112.61x = 279,972,570.49
  5. Step 5: Solve for x
    x = 279,972,570.49/19,112.61
  6. Step 6: Final answer
    x = 14,648.58

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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.