Home / 18,713.34-28,060.56-7,018.32

Finding the Fourth Proportional to 18,713.34, 28,060.56 and 7,018.32

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Solution

The fourth proportional to 18,713.34, 28,060.56 and 7,018.32 is: 10,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.34 : 28,060.56 = 7,018.32 : x
  2. Step 2: Convert to fraction form
    18,713.34/28,060.56 = 7,018.32/x
  3. Step 3: Cross multiply
    18,713.34x = 28,060.56 × 7,018.32
  4. Step 4: Simplify right side
    18,713.34x = 196,937,989.46
  5. Step 5: Solve for x
    x = 196,937,989.46/18,713.34
  6. Step 6: Final answer
    x = 10,523.94

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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.