Home / 25,295.90-34,907.43-13,965.16

Finding the Fourth Proportional to 25,295.90, 34,907.43 and 13,965.16

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Solution

The fourth proportional to 25,295.90, 34,907.43 and 13,965.16 is: 19,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,295.90 : 34,907.43 = 13,965.16 : x
  2. Step 2: Convert to fraction form
    25,295.90/34,907.43 = 13,965.16/x
  3. Step 3: Cross multiply
    25,295.90x = 34,907.43 × 13,965.16
  4. Step 4: Simplify right side
    25,295.90x = 487,487,836.41
  5. Step 5: Solve for x
    x = 487,487,836.41/25,295.90
  6. Step 6: Final answer
    x = 19,271.41

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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.