Home / 19,321.06-26,666.40-10,937.56

Finding the Fourth Proportional to 19,321.06, 26,666.40 and 10,937.56

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Solution

The fourth proportional to 19,321.06, 26,666.40 and 10,937.56 is: 15,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.06 : 26,666.40 = 10,937.56 : x
  2. Step 2: Convert to fraction form
    19,321.06/26,666.40 = 10,937.56/x
  3. Step 3: Cross multiply
    19,321.06x = 26,666.40 × 10,937.56
  4. Step 4: Simplify right side
    19,321.06x = 291,665,349.98
  5. Step 5: Solve for x
    x = 291,665,349.98/19,321.06
  6. Step 6: Final answer
    x = 15,095.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.