Home / 16,983.62-23,437.60-9,430.10

Finding the Fourth Proportional to 16,983.62, 23,437.60 and 9,430.10

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Solution

The fourth proportional to 16,983.62, 23,437.60 and 9,430.10 is: 13,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.62 : 23,437.60 = 9,430.10 : x
  2. Step 2: Convert to fraction form
    16,983.62/23,437.60 = 9,430.10/x
  3. Step 3: Cross multiply
    16,983.62x = 23,437.60 × 9,430.10
  4. Step 4: Simplify right side
    16,983.62x = 221,018,911.76
  5. Step 5: Solve for x
    x = 221,018,911.76/16,983.62
  6. Step 6: Final answer
    x = 13,013.65

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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.