Home / 19,018.56-28,532.16-7,332.42

Finding the Fourth Proportional to 19,018.56, 28,532.16 and 7,332.42

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Solution

The fourth proportional to 19,018.56, 28,532.16 and 7,332.42 is: 11,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.56 : 28,532.16 = 7,332.42 : x
  2. Step 2: Convert to fraction form
    19,018.56/28,532.16 = 7,332.42/x
  3. Step 3: Cross multiply
    19,018.56x = 28,532.16 × 7,332.42
  4. Step 4: Simplify right side
    19,018.56x = 209,209,780.63
  5. Step 5: Solve for x
    x = 209,209,780.63/19,018.56
  6. Step 6: Final answer
    x = 11,000.30

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1.5x scale

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.