Home / 25,159.78-34,720.52-14,550.10

Finding the Fourth Proportional to 25,159.78, 34,720.52 and 14,550.10

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Solution

The fourth proportional to 25,159.78, 34,720.52 and 14,550.10 is: 20,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,159.78 : 34,720.52 = 14,550.10 : x
  2. Step 2: Convert to fraction form
    25,159.78/34,720.52 = 14,550.10/x
  3. Step 3: Cross multiply
    25,159.78x = 34,720.52 × 14,550.10
  4. Step 4: Simplify right side
    25,159.78x = 505,186,878.50
  5. Step 5: Solve for x
    x = 505,186,878.50/25,159.78
  6. Step 6: Final answer
    x = 20,079.14

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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.