Home / 31,673.36-47,492.48-12,966.56

Finding the Fourth Proportional to 31,673.36, 47,492.48 and 12,966.56

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Solution

The fourth proportional to 31,673.36, 47,492.48 and 12,966.56 is: 19,442.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,673.36 : 47,492.48 = 12,966.56 : x
  2. Step 2: Convert to fraction form
    31,673.36/47,492.48 = 12,966.56/x
  3. Step 3: Cross multiply
    31,673.36x = 47,492.48 × 12,966.56
  4. Step 4: Simplify right side
    31,673.36x = 615,814,091.47
  5. Step 5: Solve for x
    x = 615,814,091.47/31,673.36
  6. Step 6: Final answer
    x = 19,442.65

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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.