Home / 18,951.06-26,150.70-18,314.10

Finding the Fourth Proportional to 18,951.06, 26,150.70 and 18,314.10

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Solution

The fourth proportional to 18,951.06, 26,150.70 and 18,314.10 is: 25,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951.06 : 26,150.70 = 18,314.10 : x
  2. Step 2: Convert to fraction form
    18,951.06/26,150.70 = 18,314.10/x
  3. Step 3: Cross multiply
    18,951.06x = 26,150.70 × 18,314.10
  4. Step 4: Simplify right side
    18,951.06x = 478,926,312.55
  5. Step 5: Solve for x
    x = 478,926,312.55/18,951.06
  6. Step 6: Final answer
    x = 25,271.74

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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.