Home / 25,274.08-34,871.84-15,199.28

Finding the Fourth Proportional to 25,274.08, 34,871.84 and 15,199.28

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Solution

The fourth proportional to 25,274.08, 34,871.84 and 15,199.28 is: 20,971.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,274.08 : 34,871.84 = 15,199.28 : x
  2. Step 2: Convert to fraction form
    25,274.08/34,871.84 = 15,199.28/x
  3. Step 3: Cross multiply
    25,274.08x = 34,871.84 × 15,199.28
  4. Step 4: Simplify right side
    25,274.08x = 530,026,860.28
  5. Step 5: Solve for x
    x = 530,026,860.28/25,274.08
  6. Step 6: Final answer
    x = 20,971.16

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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.