Home / 37,684.12-56,486.64-12,715.55

Finding the Fourth Proportional to 37,684.12, 56,486.64 and 12,715.55

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Solution

The fourth proportional to 37,684.12, 56,486.64 and 12,715.55 is: 19,059.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,684.12 : 56,486.64 = 12,715.55 : x
  2. Step 2: Convert to fraction form
    37,684.12/56,486.64 = 12,715.55/x
  3. Step 3: Cross multiply
    37,684.12x = 56,486.64 × 12,715.55
  4. Step 4: Simplify right side
    37,684.12x = 718,258,695.25
  5. Step 5: Solve for x
    x = 718,258,695.25/37,684.12
  6. Step 6: Final answer
    x = 19,059.98

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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.