Home / 53,725.40-80,587.68-14,285.30

Finding the Fourth Proportional to 53,725.40, 80,587.68 and 14,285.30

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Solution

The fourth proportional to 53,725.40, 80,587.68 and 14,285.30 is: 21,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,725.40 : 80,587.68 = 14,285.30 : x
  2. Step 2: Convert to fraction form
    53,725.40/80,587.68 = 14,285.30/x
  3. Step 3: Cross multiply
    53,725.40x = 80,587.68 × 14,285.30
  4. Step 4: Simplify right side
    53,725.40x = 1,151,219,185.10
  5. Step 5: Solve for x
    x = 1,151,219,185.10/53,725.40
  6. Step 6: Final answer
    x = 21,427.84

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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.