Home / 12,348.18-18,505.80-10,697.00

Finding the Fourth Proportional to 12,348.18, 18,505.80 and 10,697.00

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Solution

The fourth proportional to 12,348.18, 18,505.80 and 10,697.00 is: 16,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.18 : 18,505.80 = 10,697.00 : x
  2. Step 2: Convert to fraction form
    12,348.18/18,505.80 = 10,697.00/x
  3. Step 3: Cross multiply
    12,348.18x = 18,505.80 × 10,697.00
  4. Step 4: Simplify right side
    12,348.18x = 197,956,450.07
  5. Step 5: Solve for x
    x = 197,956,450.07/12,348.18
  6. Step 6: Final answer
    x = 16,031.22

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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.