Home / 25,115.64-34,659.82-14,505.06

Finding the Fourth Proportional to 25,115.64, 34,659.82 and 14,505.06

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Solution

The fourth proportional to 25,115.64, 34,659.82 and 14,505.06 is: 20,017.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.64 : 34,659.82 = 14,505.06 : x
  2. Step 2: Convert to fraction form
    25,115.64/34,659.82 = 14,505.06/x
  3. Step 3: Cross multiply
    25,115.64x = 34,659.82 × 14,505.06
  4. Step 4: Simplify right side
    25,115.64x = 502,742,768.69
  5. Step 5: Solve for x
    x = 502,742,768.69/25,115.64
  6. Step 6: Final answer
    x = 20,017.12

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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.