Home / 18,365.02-25,344.22-9,981.52

Finding the Fourth Proportional to 18,365.02, 25,344.22 and 9,981.52

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Solution

The fourth proportional to 18,365.02, 25,344.22 and 9,981.52 is: 13,774.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.02 : 25,344.22 = 9,981.52 : x
  2. Step 2: Convert to fraction form
    18,365.02/25,344.22 = 9,981.52/x
  3. Step 3: Cross multiply
    18,365.02x = 25,344.22 × 9,981.52
  4. Step 4: Simplify right side
    18,365.02x = 252,973,838.81
  5. Step 5: Solve for x
    x = 252,973,838.81/18,365.02
  6. Step 6: Final answer
    x = 13,774.77

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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.