Home / 14,616.90-21,945.60-9,384.30

Finding the Fourth Proportional to 14,616.90, 21,945.60 and 9,384.30

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Solution

The fourth proportional to 14,616.90, 21,945.60 and 9,384.30 is: 14,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.90 : 21,945.60 = 9,384.30 : x
  2. Step 2: Convert to fraction form
    14,616.90/21,945.60 = 9,384.30/x
  3. Step 3: Cross multiply
    14,616.90x = 21,945.60 × 9,384.30
  4. Step 4: Simplify right side
    14,616.90x = 205,944,094.08
  5. Step 5: Solve for x
    x = 205,944,094.08/14,616.90
  6. Step 6: Final answer
    x = 14,089.45

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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.