Home / 14,072.93-19,421.27-7,785.30

Finding the Fourth Proportional to 14,072.93, 19,421.27 and 7,785.30

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Solution

The fourth proportional to 14,072.93, 19,421.27 and 7,785.30 is: 10,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.93 : 19,421.27 = 7,785.30 : x
  2. Step 2: Convert to fraction form
    14,072.93/19,421.27 = 7,785.30/x
  3. Step 3: Cross multiply
    14,072.93x = 19,421.27 × 7,785.30
  4. Step 4: Simplify right side
    14,072.93x = 151,200,374.40
  5. Step 5: Solve for x
    x = 151,200,374.40/14,072.93
  6. Step 6: Final answer
    x = 10,744.06

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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.