Home / 14,838.29-20,476.85-8,124.32

Finding the Fourth Proportional to 14,838.29, 20,476.85 and 8,124.32

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Solution

The fourth proportional to 14,838.29, 20,476.85 and 8,124.32 is: 11,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,838.29 : 20,476.85 = 8,124.32 : x
  2. Step 2: Convert to fraction form
    14,838.29/20,476.85 = 8,124.32/x
  3. Step 3: Cross multiply
    14,838.29x = 20,476.85 × 8,124.32
  4. Step 4: Simplify right side
    14,838.29x = 166,360,423.08
  5. Step 5: Solve for x
    x = 166,360,423.08/14,838.29
  6. Step 6: Final answer
    x = 11,211.56

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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.