Home / 18,395.64-25,385.07-10,437.69

Finding the Fourth Proportional to 18,395.64, 25,385.07 and 10,437.69

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Solution

The fourth proportional to 18,395.64, 25,385.07 and 10,437.69 is: 14,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.64 : 25,385.07 = 10,437.69 : x
  2. Step 2: Convert to fraction form
    18,395.64/25,385.07 = 10,437.69/x
  3. Step 3: Cross multiply
    18,395.64x = 25,385.07 × 10,437.69
  4. Step 4: Simplify right side
    18,395.64x = 264,961,491.29
  5. Step 5: Solve for x
    x = 264,961,491.29/18,395.64
  6. Step 6: Final answer
    x = 14,403.49

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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.