Home / 18,690.48-25,793.64-10,307.52

Finding the Fourth Proportional to 18,690.48, 25,793.64 and 10,307.52

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Solution

The fourth proportional to 18,690.48, 25,793.64 and 10,307.52 is: 14,224.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690.48 : 25,793.64 = 10,307.52 : x
  2. Step 2: Convert to fraction form
    18,690.48/25,793.64 = 10,307.52/x
  3. Step 3: Cross multiply
    18,690.48x = 25,793.64 × 10,307.52
  4. Step 4: Simplify right side
    18,690.48x = 265,868,460.17
  5. Step 5: Solve for x
    x = 265,868,460.17/18,690.48
  6. Step 6: Final answer
    x = 14,224.81

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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.