Home / 25,145.34-34,705.58-14,538.39

Finding the Fourth Proportional to 25,145.34, 34,705.58 and 14,538.39

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Solution

The fourth proportional to 25,145.34, 34,705.58 and 14,538.39 is: 20,065.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,145.34 : 34,705.58 = 14,538.39 : x
  2. Step 2: Convert to fraction form
    25,145.34/34,705.58 = 14,538.39/x
  3. Step 3: Cross multiply
    25,145.34x = 34,705.58 × 14,538.39
  4. Step 4: Simplify right side
    25,145.34x = 504,563,184.52
  5. Step 5: Solve for x
    x = 504,563,184.52/25,145.34
  6. Step 6: Final answer
    x = 20,065.87

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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.