Home / 45,038.04-67,557.87-13,873.56

Finding the Fourth Proportional to 45,038.04, 67,557.87 and 13,873.56

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Solution

The fourth proportional to 45,038.04, 67,557.87 and 13,873.56 is: 20,810.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,038.04 : 67,557.87 = 13,873.56 : x
  2. Step 2: Convert to fraction form
    45,038.04/67,557.87 = 13,873.56/x
  3. Step 3: Cross multiply
    45,038.04x = 67,557.87 × 13,873.56
  4. Step 4: Simplify right side
    45,038.04x = 937,268,162.92
  5. Step 5: Solve for x
    x = 937,268,162.92/45,038.04
  6. Step 6: Final answer
    x = 20,810.59

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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.