Home / 25,280.79-34,899.30-14,668.58

Finding the Fourth Proportional to 25,280.79, 34,899.30 and 14,668.58

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Solution

The fourth proportional to 25,280.79, 34,899.30 and 14,668.58 is: 20,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.79 : 34,899.30 = 14,668.58 : x
  2. Step 2: Convert to fraction form
    25,280.79/34,899.30 = 14,668.58/x
  3. Step 3: Cross multiply
    25,280.79x = 34,899.30 × 14,668.58
  4. Step 4: Simplify right side
    25,280.79x = 511,922,999.50
  5. Step 5: Solve for x
    x = 511,922,999.50/25,280.79
  6. Step 6: Final answer
    x = 20,249.49

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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.