Home / 25,299.11-34,915.25-14,688.11

Finding the Fourth Proportional to 25,299.11, 34,915.25 and 14,688.11

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Solution

The fourth proportional to 25,299.11, 34,915.25 and 14,688.11 is: 20,271.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.11 : 34,915.25 = 14,688.11 : x
  2. Step 2: Convert to fraction form
    25,299.11/34,915.25 = 14,688.11/x
  3. Step 3: Cross multiply
    25,299.11x = 34,915.25 × 14,688.11
  4. Step 4: Simplify right side
    25,299.11x = 512,839,032.68
  5. Step 5: Solve for x
    x = 512,839,032.68/25,299.11
  6. Step 6: Final answer
    x = 20,271.03

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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.