Home / 15,861.48-23,792.22-6,621

Finding the Fourth Proportional to 15,861.48, 23,792.22 and 6,621

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Solution

The fourth proportional to 15,861.48, 23,792.22 and 6,621 is: 9,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861.48 : 23,792.22 = 6,621 : x
  2. Step 2: Convert to fraction form
    15,861.48/23,792.22 = 6,621/x
  3. Step 3: Cross multiply
    15,861.48x = 23,792.22 × 6,621
  4. Step 4: Simplify right side
    15,861.48x = 157,528,288.62
  5. Step 5: Solve for x
    x = 157,528,288.62/15,861.48
  6. Step 6: Final answer
    x = 9,931.50

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Half scale
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Double scale
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Similar ratio
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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.