Home / 48,621.60-72,925.92-13,558.32

Finding the Fourth Proportional to 48,621.60, 72,925.92 and 13,558.32

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Solution

The fourth proportional to 48,621.60, 72,925.92 and 13,558.32 is: 20,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,621.60 : 72,925.92 = 13,558.32 : x
  2. Step 2: Convert to fraction form
    48,621.60/72,925.92 = 13,558.32/x
  3. Step 3: Cross multiply
    48,621.60x = 72,925.92 × 13,558.32
  4. Step 4: Simplify right side
    48,621.60x = 988,752,959.65
  5. Step 5: Solve for x
    x = 988,752,959.65/48,621.60
  6. Step 6: Final answer
    x = 20,335.67

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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.