Home / 19,792.87-27,314.16-10,840.36

Finding the Fourth Proportional to 19,792.87, 27,314.16 and 10,840.36

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Solution

The fourth proportional to 19,792.87, 27,314.16 and 10,840.36 is: 14,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.87 : 27,314.16 = 10,840.36 : x
  2. Step 2: Convert to fraction form
    19,792.87/27,314.16 = 10,840.36/x
  3. Step 3: Cross multiply
    19,792.87x = 27,314.16 × 10,840.36
  4. Step 4: Simplify right side
    19,792.87x = 296,095,327.50
  5. Step 5: Solve for x
    x = 296,095,327.50/19,792.87
  6. Step 6: Final answer
    x = 14,959.70

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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.