Home / 27,312.02-40,967.76-12,516.74

Finding the Fourth Proportional to 27,312.02, 40,967.76 and 12,516.74

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Solution

The fourth proportional to 27,312.02, 40,967.76 and 12,516.74 is: 18,774.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.02 : 40,967.76 = 12,516.74 : x
  2. Step 2: Convert to fraction form
    27,312.02/40,967.76 = 12,516.74/x
  3. Step 3: Cross multiply
    27,312.02x = 40,967.76 × 12,516.74
  4. Step 4: Simplify right side
    27,312.02x = 512,782,800.30
  5. Step 5: Solve for x
    x = 512,782,800.30/27,312.02
  6. Step 6: Final answer
    x = 18,774.99

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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.