Home / 14,901.20-22,356.60-9,976.40

Finding the Fourth Proportional to 14,901.20, 22,356.60 and 9,976.40

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Solution

The fourth proportional to 14,901.20, 22,356.60 and 9,976.40 is: 14,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.20 : 22,356.60 = 9,976.40 : x
  2. Step 2: Convert to fraction form
    14,901.20/22,356.60 = 9,976.40/x
  3. Step 3: Cross multiply
    14,901.20x = 22,356.60 × 9,976.40
  4. Step 4: Simplify right side
    14,901.20x = 223,038,384.24
  5. Step 5: Solve for x
    x = 223,038,384.24/14,901.20
  6. Step 6: Final answer
    x = 14,967.81

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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.