Home / 25,089.56-37,760.06-18,881.72

Finding the Fourth Proportional to 25,089.56, 37,760.06 and 18,881.72

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Solution

The fourth proportional to 25,089.56, 37,760.06 and 18,881.72 is: 28,417.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,089.56 : 37,760.06 = 18,881.72 : x
  2. Step 2: Convert to fraction form
    25,089.56/37,760.06 = 18,881.72/x
  3. Step 3: Cross multiply
    25,089.56x = 37,760.06 × 18,881.72
  4. Step 4: Simplify right side
    25,089.56x = 712,974,880.10
  5. Step 5: Solve for x
    x = 712,974,880.10/25,089.56
  6. Step 6: Final answer
    x = 28,417.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.