Home / 13,783.35-19,020.92-7,495.72

Finding the Fourth Proportional to 13,783.35, 19,020.92 and 7,495.72

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Solution

The fourth proportional to 13,783.35, 19,020.92 and 7,495.72 is: 10,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.35 : 19,020.92 = 7,495.72 : x
  2. Step 2: Convert to fraction form
    13,783.35/19,020.92 = 7,495.72/x
  3. Step 3: Cross multiply
    13,783.35x = 19,020.92 × 7,495.72
  4. Step 4: Simplify right side
    13,783.35x = 142,575,490.46
  5. Step 5: Solve for x
    x = 142,575,490.46/13,783.35
  6. Step 6: Final answer
    x = 10,344.04

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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.