Home / 25,302.30-34,916.28-13,971.60

Finding the Fourth Proportional to 25,302.30, 34,916.28 and 13,971.60

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Solution

The fourth proportional to 25,302.30, 34,916.28 and 13,971.60 is: 19,280.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,302.30 : 34,916.28 = 13,971.60 : x
  2. Step 2: Convert to fraction form
    25,302.30/34,916.28 = 13,971.60/x
  3. Step 3: Cross multiply
    25,302.30x = 34,916.28 × 13,971.60
  4. Step 4: Simplify right side
    25,302.30x = 487,836,297.65
  5. Step 5: Solve for x
    x = 487,836,297.65/25,302.30
  6. Step 6: Final answer
    x = 19,280.31

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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.