Home / 15,320.16-22,983.84-4,931.52

Finding the Fourth Proportional to 15,320.16, 22,983.84 and 4,931.52

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Solution

The fourth proportional to 15,320.16, 22,983.84 and 4,931.52 is: 7,398.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320.16 : 22,983.84 = 4,931.52 : x
  2. Step 2: Convert to fraction form
    15,320.16/22,983.84 = 4,931.52/x
  3. Step 3: Cross multiply
    15,320.16x = 22,983.84 × 4,931.52
  4. Step 4: Simplify right side
    15,320.16x = 113,345,266.64
  5. Step 5: Solve for x
    x = 113,345,266.64/15,320.16
  6. Step 6: Final answer
    x = 7,398.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.