Home / 19,405.18-26,781.37-10,792.22

Finding the Fourth Proportional to 19,405.18, 26,781.37 and 10,792.22

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Solution

The fourth proportional to 19,405.18, 26,781.37 and 10,792.22 is: 14,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.18 : 26,781.37 = 10,792.22 : x
  2. Step 2: Convert to fraction form
    19,405.18/26,781.37 = 10,792.22/x
  3. Step 3: Cross multiply
    19,405.18x = 26,781.37 × 10,792.22
  4. Step 4: Simplify right side
    19,405.18x = 289,030,347.44
  5. Step 5: Solve for x
    x = 289,030,347.44/19,405.18
  6. Step 6: Final answer
    x = 14,894.50

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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.