Home / 25,065.07-34,588.78-14,987.57

Finding the Fourth Proportional to 25,065.07, 34,588.78 and 14,987.57

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Solution

The fourth proportional to 25,065.07, 34,588.78 and 14,987.57 is: 20,682.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,065.07 : 34,588.78 = 14,987.57 : x
  2. Step 2: Convert to fraction form
    25,065.07/34,588.78 = 14,987.57/x
  3. Step 3: Cross multiply
    25,065.07x = 34,588.78 × 14,987.57
  4. Step 4: Simplify right side
    25,065.07x = 518,401,551.05
  5. Step 5: Solve for x
    x = 518,401,551.05/25,065.07
  6. Step 6: Final answer
    x = 20,682.23

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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.