Home / 25,211.40-37,817.10-12,089.40

Finding the Fourth Proportional to 25,211.40, 37,817.10 and 12,089.40

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Solution

The fourth proportional to 25,211.40, 37,817.10 and 12,089.40 is: 18,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,211.40 : 37,817.10 = 12,089.40 : x
  2. Step 2: Convert to fraction form
    25,211.40/37,817.10 = 12,089.40/x
  3. Step 3: Cross multiply
    25,211.40x = 37,817.10 × 12,089.40
  4. Step 4: Simplify right side
    25,211.40x = 457,186,048.74
  5. Step 5: Solve for x
    x = 457,186,048.74/25,211.40
  6. Step 6: Final answer
    x = 18,134.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.