Home / 14,121.60-19,482.88-12,004.48

Finding the Fourth Proportional to 14,121.60, 19,482.88 and 12,004.48

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Solution

The fourth proportional to 14,121.60, 19,482.88 and 12,004.48 is: 16,561.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.60 : 19,482.88 = 12,004.48 : x
  2. Step 2: Convert to fraction form
    14,121.60/19,482.88 = 12,004.48/x
  3. Step 3: Cross multiply
    14,121.60x = 19,482.88 × 12,004.48
  4. Step 4: Simplify right side
    14,121.60x = 233,881,843.30
  5. Step 5: Solve for x
    x = 233,881,843.30/14,121.60
  6. Step 6: Final answer
    x = 16,561.99

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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.