Home / 15,776.90-23,658.41-5,909.25

Finding the Fourth Proportional to 15,776.90, 23,658.41 and 5,909.25

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Solution

The fourth proportional to 15,776.90, 23,658.41 and 5,909.25 is: 8,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776.90 : 23,658.41 = 5,909.25 : x
  2. Step 2: Convert to fraction form
    15,776.90/23,658.41 = 5,909.25/x
  3. Step 3: Cross multiply
    15,776.90x = 23,658.41 × 5,909.25
  4. Step 4: Simplify right side
    15,776.90x = 139,803,459.29
  5. Step 5: Solve for x
    x = 139,803,459.29/15,776.90
  6. Step 6: Final answer
    x = 8,861.28

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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.