Home / 14,979.90-22,477.95-6,661.20

Finding the Fourth Proportional to 14,979.90, 22,477.95 and 6,661.20

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Solution

The fourth proportional to 14,979.90, 22,477.95 and 6,661.20 is: 9,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.90 : 22,477.95 = 6,661.20 : x
  2. Step 2: Convert to fraction form
    14,979.90/22,477.95 = 6,661.20/x
  3. Step 3: Cross multiply
    14,979.90x = 22,477.95 × 6,661.20
  4. Step 4: Simplify right side
    14,979.90x = 149,730,120.54
  5. Step 5: Solve for x
    x = 149,730,120.54/14,979.90
  6. Step 6: Final answer
    x = 9,995.40

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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.