Home / 25,681.84-35,421.92-16,241.28

Finding the Fourth Proportional to 25,681.84, 35,421.92 and 16,241.28

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Solution

The fourth proportional to 25,681.84, 35,421.92 and 16,241.28 is: 22,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,681.84 : 35,421.92 = 16,241.28 : x
  2. Step 2: Convert to fraction form
    25,681.84/35,421.92 = 16,241.28/x
  3. Step 3: Cross multiply
    25,681.84x = 35,421.92 × 16,241.28
  4. Step 4: Simplify right side
    25,681.84x = 575,297,320.86
  5. Step 5: Solve for x
    x = 575,297,320.86/25,681.84
  6. Step 6: Final answer
    x = 22,400.94

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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.