Home / 53,595.63-80,405.60-18,535.59

Finding the Fourth Proportional to 53,595.63, 80,405.60 and 18,535.59

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Solution

The fourth proportional to 53,595.63, 80,405.60 and 18,535.59 is: 27,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,595.63 : 80,405.60 = 18,535.59 : x
  2. Step 2: Convert to fraction form
    53,595.63/80,405.60 = 18,535.59/x
  3. Step 3: Cross multiply
    53,595.63x = 80,405.60 × 18,535.59
  4. Step 4: Simplify right side
    53,595.63x = 1,490,365,142.63
  5. Step 5: Solve for x
    x = 1,490,365,142.63/53,595.63
  6. Step 6: Final answer
    x = 27,807.59

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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.