Home / 25,297.92-34,911-14,690.16

Finding the Fourth Proportional to 25,297.92, 34,911 and 14,690.16

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Solution

The fourth proportional to 25,297.92, 34,911 and 14,690.16 is: 20,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,297.92 : 34,911 = 14,690.16 : x
  2. Step 2: Convert to fraction form
    25,297.92/34,911 = 14,690.16/x
  3. Step 3: Cross multiply
    25,297.92x = 34,911 × 14,690.16
  4. Step 4: Simplify right side
    25,297.92x = 512,848,175.76
  5. Step 5: Solve for x
    x = 512,848,175.76/25,297.92
  6. Step 6: Final answer
    x = 20,272.35

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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.