Home / 19,570.50-27,007.37-10,618.07

Finding the Fourth Proportional to 19,570.50, 27,007.37 and 10,618.07

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Solution

The fourth proportional to 19,570.50, 27,007.37 and 10,618.07 is: 14,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.50 : 27,007.37 = 10,618.07 : x
  2. Step 2: Convert to fraction form
    19,570.50/27,007.37 = 10,618.07/x
  3. Step 3: Cross multiply
    19,570.50x = 27,007.37 × 10,618.07
  4. Step 4: Simplify right side
    19,570.50x = 286,765,957.05
  5. Step 5: Solve for x
    x = 286,765,957.05/19,570.50
  6. Step 6: Final answer
    x = 14,652.97

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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.