Home / 25,431.84-38,169.72-17,646.12

Finding the Fourth Proportional to 25,431.84, 38,169.72 and 17,646.12

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Solution

The fourth proportional to 25,431.84, 38,169.72 and 17,646.12 is: 26,484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,431.84 : 38,169.72 = 17,646.12 : x
  2. Step 2: Convert to fraction form
    25,431.84/38,169.72 = 17,646.12/x
  3. Step 3: Cross multiply
    25,431.84x = 38,169.72 × 17,646.12
  4. Step 4: Simplify right side
    25,431.84x = 673,547,459.49
  5. Step 5: Solve for x
    x = 673,547,459.49/25,431.84
  6. Step 6: Final answer
    x = 26,484.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.