Home / 28,980.18-43,464.60-9,253.44

Finding the Fourth Proportional to 28,980.18, 43,464.60 and 9,253.44

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Solution

The fourth proportional to 28,980.18, 43,464.60 and 9,253.44 is: 13,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980.18 : 43,464.60 = 9,253.44 : x
  2. Step 2: Convert to fraction form
    28,980.18/43,464.60 = 9,253.44/x
  3. Step 3: Cross multiply
    28,980.18x = 43,464.60 × 9,253.44
  4. Step 4: Simplify right side
    28,980.18x = 402,197,068.22
  5. Step 5: Solve for x
    x = 402,197,068.22/28,980.18
  6. Step 6: Final answer
    x = 13,878.35

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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.