Home / 25,089.53-34,623.86-13,758.99

Finding the Fourth Proportional to 25,089.53, 34,623.86 and 13,758.99

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Solution

The fourth proportional to 25,089.53, 34,623.86 and 13,758.99 is: 18,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,089.53 : 34,623.86 = 13,758.99 : x
  2. Step 2: Convert to fraction form
    25,089.53/34,623.86 = 13,758.99/x
  3. Step 3: Cross multiply
    25,089.53x = 34,623.86 × 13,758.99
  4. Step 4: Simplify right side
    25,089.53x = 476,389,274.71
  5. Step 5: Solve for x
    x = 476,389,274.71/25,089.53
  6. Step 6: Final answer
    x = 18,987.58

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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.