Home / 14,838.96-20,479.52-8,870.56

Finding the Fourth Proportional to 14,838.96, 20,479.52 and 8,870.56

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Solution

The fourth proportional to 14,838.96, 20,479.52 and 8,870.56 is: 12,242.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,838.96 : 20,479.52 = 8,870.56 : x
  2. Step 2: Convert to fraction form
    14,838.96/20,479.52 = 8,870.56/x
  3. Step 3: Cross multiply
    14,838.96x = 20,479.52 × 8,870.56
  4. Step 4: Simplify right side
    14,838.96x = 181,664,810.93
  5. Step 5: Solve for x
    x = 181,664,810.93/14,838.96
  6. Step 6: Final answer
    x = 12,242.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.