Home / 25,142.30-34,697.31-13,813.08

Finding the Fourth Proportional to 25,142.30, 34,697.31 and 13,813.08

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Solution

The fourth proportional to 25,142.30, 34,697.31 and 13,813.08 is: 19,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,142.30 : 34,697.31 = 13,813.08 : x
  2. Step 2: Convert to fraction form
    25,142.30/34,697.31 = 13,813.08/x
  3. Step 3: Cross multiply
    25,142.30x = 34,697.31 × 13,813.08
  4. Step 4: Simplify right side
    25,142.30x = 479,276,809.77
  5. Step 5: Solve for x
    x = 479,276,809.77/25,142.30
  6. Step 6: Final answer
    x = 19,062.57

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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.