Home / 19,225.56-26,543.52-15,697.20

Finding the Fourth Proportional to 19,225.56, 26,543.52 and 15,697.20

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Solution

The fourth proportional to 19,225.56, 26,543.52 and 15,697.20 is: 21,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,225.56 : 26,543.52 = 15,697.20 : x
  2. Step 2: Convert to fraction form
    19,225.56/26,543.52 = 15,697.20/x
  3. Step 3: Cross multiply
    19,225.56x = 26,543.52 × 15,697.20
  4. Step 4: Simplify right side
    19,225.56x = 416,658,942.14
  5. Step 5: Solve for x
    x = 416,658,942.14/19,225.56
  6. Step 6: Final answer
    x = 21,672.14

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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.