Home / 12,475.35-18,700.37-10,654.67

Finding the Fourth Proportional to 12,475.35, 18,700.37 and 10,654.67

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Solution

The fourth proportional to 12,475.35, 18,700.37 and 10,654.67 is: 15,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.35 : 18,700.37 = 10,654.67 : x
  2. Step 2: Convert to fraction form
    12,475.35/18,700.37 = 10,654.67/x
  3. Step 3: Cross multiply
    12,475.35x = 18,700.37 × 10,654.67
  4. Step 4: Simplify right side
    12,475.35x = 199,246,264.71
  5. Step 5: Solve for x
    x = 199,246,264.71/12,475.35
  6. Step 6: Final answer
    x = 15,971.20

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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.