Home / 15,055.20-22,585.20-6,285.60

Finding the Fourth Proportional to 15,055.20, 22,585.20 and 6,285.60

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Solution

The fourth proportional to 15,055.20, 22,585.20 and 6,285.60 is: 9,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,055.20 : 22,585.20 = 6,285.60 : x
  2. Step 2: Convert to fraction form
    15,055.20/22,585.20 = 6,285.60/x
  3. Step 3: Cross multiply
    15,055.20x = 22,585.20 × 6,285.60
  4. Step 4: Simplify right side
    15,055.20x = 141,961,533.12
  5. Step 5: Solve for x
    x = 141,961,533.12/15,055.20
  6. Step 6: Final answer
    x = 9,429.40

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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.