Home / 16,707.01-23,053.49-9,990.19

Finding the Fourth Proportional to 16,707.01, 23,053.49 and 9,990.19

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Solution

The fourth proportional to 16,707.01, 23,053.49 and 9,990.19 is: 13,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,707.01 : 23,053.49 = 9,990.19 : x
  2. Step 2: Convert to fraction form
    16,707.01/23,053.49 = 9,990.19/x
  3. Step 3: Cross multiply
    16,707.01x = 23,053.49 × 9,990.19
  4. Step 4: Simplify right side
    16,707.01x = 230,308,603.82
  5. Step 5: Solve for x
    x = 230,308,603.82/16,707.01
  6. Step 6: Final answer
    x = 13,785.15

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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.