Home / 18,429.86-25,438.56-10,476.44

Finding the Fourth Proportional to 18,429.86, 25,438.56 and 10,476.44

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Solution

The fourth proportional to 18,429.86, 25,438.56 and 10,476.44 is: 14,460.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.86 : 25,438.56 = 10,476.44 : x
  2. Step 2: Convert to fraction form
    18,429.86/25,438.56 = 10,476.44/x
  3. Step 3: Cross multiply
    18,429.86x = 25,438.56 × 10,476.44
  4. Step 4: Simplify right side
    18,429.86x = 266,505,547.53
  5. Step 5: Solve for x
    x = 266,505,547.53/18,429.86
  6. Step 6: Final answer
    x = 14,460.53

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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.