Home / 14,336.37-21,381.93-12,592.80

Finding the Fourth Proportional to 14,336.37, 21,381.93 and 12,592.80

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Solution

The fourth proportional to 14,336.37, 21,381.93 and 12,592.80 is: 18,781.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,336.37 : 21,381.93 = 12,592.80 : x
  2. Step 2: Convert to fraction form
    14,336.37/21,381.93 = 12,592.80/x
  3. Step 3: Cross multiply
    14,336.37x = 21,381.93 × 12,592.80
  4. Step 4: Simplify right side
    14,336.37x = 269,258,368.10
  5. Step 5: Solve for x
    x = 269,258,368.10/14,336.37
  6. Step 6: Final answer
    x = 18,781.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.