Home / 14,055.08-19,356.50-13,748.90

Finding the Fourth Proportional to 14,055.08, 19,356.50 and 13,748.90

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Solution

The fourth proportional to 14,055.08, 19,356.50 and 13,748.90 is: 18,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.08 : 19,356.50 = 13,748.90 : x
  2. Step 2: Convert to fraction form
    14,055.08/19,356.50 = 13,748.90/x
  3. Step 3: Cross multiply
    14,055.08x = 19,356.50 × 13,748.90
  4. Step 4: Simplify right side
    14,055.08x = 266,130,520.44
  5. Step 5: Solve for x
    x = 266,130,520.44/14,055.08
  6. Step 6: Final answer
    x = 18,934.83

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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.