Home / 25,670.67-38,506.55-8,807.63

Finding the Fourth Proportional to 25,670.67, 38,506.55 and 8,807.63

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Solution

The fourth proportional to 25,670.67, 38,506.55 and 8,807.63 is: 13,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.67 : 38,506.55 = 8,807.63 : x
  2. Step 2: Convert to fraction form
    25,670.67/38,506.55 = 8,807.63/x
  3. Step 3: Cross multiply
    25,670.67x = 38,506.55 × 8,807.63
  4. Step 4: Simplify right side
    25,670.67x = 339,151,208.41
  5. Step 5: Solve for x
    x = 339,151,208.41/25,670.67
  6. Step 6: Final answer
    x = 13,211.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.