Home / 27,307.02-40,960.26-12,511.74

Finding the Fourth Proportional to 27,307.02, 40,960.26 and 12,511.74

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Solution

The fourth proportional to 27,307.02, 40,960.26 and 12,511.74 is: 18,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.02 : 40,960.26 = 12,511.74 : x
  2. Step 2: Convert to fraction form
    27,307.02/40,960.26 = 12,511.74/x
  3. Step 3: Cross multiply
    27,307.02x = 40,960.26 × 12,511.74
  4. Step 4: Simplify right side
    27,307.02x = 512,484,123.45
  5. Step 5: Solve for x
    x = 512,484,123.45/27,307.02
  6. Step 6: Final answer
    x = 18,767.49

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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.