Home / 25,215.16-34,796.64-13,883.32

Finding the Fourth Proportional to 25,215.16, 34,796.64 and 13,883.32

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Solution

The fourth proportional to 25,215.16, 34,796.64 and 13,883.32 is: 19,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.16 : 34,796.64 = 13,883.32 : x
  2. Step 2: Convert to fraction form
    25,215.16/34,796.64 = 13,883.32/x
  3. Step 3: Cross multiply
    25,215.16x = 34,796.64 × 13,883.32
  4. Step 4: Simplify right side
    25,215.16x = 483,092,888.04
  5. Step 5: Solve for x
    x = 483,092,888.04/25,215.16
  6. Step 6: Final answer
    x = 19,158.83

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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.