Home / 19,660.95-27,130.71-10,708.32

Finding the Fourth Proportional to 19,660.95, 27,130.71 and 10,708.32

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Solution

The fourth proportional to 19,660.95, 27,130.71 and 10,708.32 is: 14,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.95 : 27,130.71 = 10,708.32 : x
  2. Step 2: Convert to fraction form
    19,660.95/27,130.71 = 10,708.32/x
  3. Step 3: Cross multiply
    19,660.95x = 27,130.71 × 10,708.32
  4. Step 4: Simplify right side
    19,660.95x = 290,524,324.51
  5. Step 5: Solve for x
    x = 290,524,324.51/19,660.95
  6. Step 6: Final answer
    x = 14,776.72

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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.