Home / 25,111.04-34,653.29-13,780.62

Finding the Fourth Proportional to 25,111.04, 34,653.29 and 13,780.62

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Solution

The fourth proportional to 25,111.04, 34,653.29 and 13,780.62 is: 19,017.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,111.04 : 34,653.29 = 13,780.62 : x
  2. Step 2: Convert to fraction form
    25,111.04/34,653.29 = 13,780.62/x
  3. Step 3: Cross multiply
    25,111.04x = 34,653.29 × 13,780.62
  4. Step 4: Simplify right side
    25,111.04x = 477,543,821.24
  5. Step 5: Solve for x
    x = 477,543,821.24/25,111.04
  6. Step 6: Final answer
    x = 19,017.29

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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.