Home / 25,345.78-34,975.78-14,014.62

Finding the Fourth Proportional to 25,345.78, 34,975.78 and 14,014.62

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Solution

The fourth proportional to 25,345.78, 34,975.78 and 14,014.62 is: 19,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.78 : 34,975.78 = 14,014.62 : x
  2. Step 2: Convert to fraction form
    25,345.78/34,975.78 = 14,014.62/x
  3. Step 3: Cross multiply
    25,345.78x = 34,975.78 × 14,014.62
  4. Step 4: Simplify right side
    25,345.78x = 490,172,265.90
  5. Step 5: Solve for x
    x = 490,172,265.90/25,345.78
  6. Step 6: Final answer
    x = 19,339.40

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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.