Home / 18,313.02-25,272.24-9,929.52

Finding the Fourth Proportional to 18,313.02, 25,272.24 and 9,929.52

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Solution

The fourth proportional to 18,313.02, 25,272.24 and 9,929.52 is: 13,702.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.02 : 25,272.24 = 9,929.52 : x
  2. Step 2: Convert to fraction form
    18,313.02/25,272.24 = 9,929.52/x
  3. Step 3: Cross multiply
    18,313.02x = 25,272.24 × 9,929.52
  4. Step 4: Simplify right side
    18,313.02x = 250,941,212.52
  5. Step 5: Solve for x
    x = 250,941,212.52/18,313.02
  6. Step 6: Final answer
    x = 13,702.89

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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.