Home / 25,013.84-37,487.67-13,143.35

Finding the Fourth Proportional to 25,013.84, 37,487.67 and 13,143.35

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Solution

The fourth proportional to 25,013.84, 37,487.67 and 13,143.35 is: 19,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,013.84 : 37,487.67 = 13,143.35 : x
  2. Step 2: Convert to fraction form
    25,013.84/37,487.67 = 13,143.35/x
  3. Step 3: Cross multiply
    25,013.84x = 37,487.67 × 13,143.35
  4. Step 4: Simplify right side
    25,013.84x = 492,713,401.06
  5. Step 5: Solve for x
    x = 492,713,401.06/25,013.84
  6. Step 6: Final answer
    x = 19,697.64

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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.