Home / 13,570.94-18,726.19-7,907.52

Finding the Fourth Proportional to 13,570.94, 18,726.19 and 7,907.52

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Solution

The fourth proportional to 13,570.94, 18,726.19 and 7,907.52 is: 10,911.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.94 : 18,726.19 = 7,907.52 : x
  2. Step 2: Convert to fraction form
    13,570.94/18,726.19 = 7,907.52/x
  3. Step 3: Cross multiply
    13,570.94x = 18,726.19 × 7,907.52
  4. Step 4: Simplify right side
    13,570.94x = 148,077,772.40
  5. Step 5: Solve for x
    x = 148,077,772.40/13,570.94
  6. Step 6: Final answer
    x = 10,911.38

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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.