Home / 25,684.64-35,443.53-14,351.90

Finding the Fourth Proportional to 25,684.64, 35,443.53 and 14,351.90

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Solution

The fourth proportional to 25,684.64, 35,443.53 and 14,351.90 is: 19,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,684.64 : 35,443.53 = 14,351.90 : x
  2. Step 2: Convert to fraction form
    25,684.64/35,443.53 = 14,351.90/x
  3. Step 3: Cross multiply
    25,684.64x = 35,443.53 × 14,351.90
  4. Step 4: Simplify right side
    25,684.64x = 508,681,998.21
  5. Step 5: Solve for x
    x = 508,681,998.21/25,684.64
  6. Step 6: Final answer
    x = 19,804.91

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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.