Home / 53,437.34-80,153.73-13,993.58

Finding the Fourth Proportional to 53,437.34, 80,153.73 and 13,993.58

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Solution

The fourth proportional to 53,437.34, 80,153.73 and 13,993.58 is: 20,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,437.34 : 80,153.73 = 13,993.58 : x
  2. Step 2: Convert to fraction form
    53,437.34/80,153.73 = 13,993.58/x
  3. Step 3: Cross multiply
    53,437.34x = 80,153.73 × 13,993.58
  4. Step 4: Simplify right side
    53,437.34x = 1,121,637,232.28
  5. Step 5: Solve for x
    x = 1,121,637,232.28/53,437.34
  6. Step 6: Final answer
    x = 20,989.77

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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.