Home / 18,395.72-25,386.15-10,437.93

Finding the Fourth Proportional to 18,395.72, 25,386.15 and 10,437.93

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Solution

The fourth proportional to 18,395.72, 25,386.15 and 10,437.93 is: 14,404.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.72 : 25,386.15 = 10,437.93 : x
  2. Step 2: Convert to fraction form
    18,395.72/25,386.15 = 10,437.93/x
  3. Step 3: Cross multiply
    18,395.72x = 25,386.15 × 10,437.93
  4. Step 4: Simplify right side
    18,395.72x = 264,978,856.67
  5. Step 5: Solve for x
    x = 264,978,856.67/18,395.72
  6. Step 6: Final answer
    x = 14,404.38

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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.