Home / 18,190.15-25,088.98-12,526.72

Finding the Fourth Proportional to 18,190.15, 25,088.98 and 12,526.72

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Solution

The fourth proportional to 18,190.15, 25,088.98 and 12,526.72 is: 17,277.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.15 : 25,088.98 = 12,526.72 : x
  2. Step 2: Convert to fraction form
    18,190.15/25,088.98 = 12,526.72/x
  3. Step 3: Cross multiply
    18,190.15x = 25,088.98 × 12,526.72
  4. Step 4: Simplify right side
    18,190.15x = 314,282,627.55
  5. Step 5: Solve for x
    x = 314,282,627.55/18,190.15
  6. Step 6: Final answer
    x = 17,277.63

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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.