Home / 19,555.80-26,986.92-10,603.26

Finding the Fourth Proportional to 19,555.80, 26,986.92 and 10,603.26

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Solution

The fourth proportional to 19,555.80, 26,986.92 and 10,603.26 is: 14,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.80 : 26,986.92 = 10,603.26 : x
  2. Step 2: Convert to fraction form
    19,555.80/26,986.92 = 10,603.26/x
  3. Step 3: Cross multiply
    19,555.80x = 26,986.92 × 10,603.26
  4. Step 4: Simplify right side
    19,555.80x = 286,149,329.36
  5. Step 5: Solve for x
    x = 286,149,329.36/19,555.80
  6. Step 6: Final answer
    x = 14,632.45

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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.