Home / 14,253.48-19,654.65-9,783.72

Finding the Fourth Proportional to 14,253.48, 19,654.65 and 9,783.72

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Solution

The fourth proportional to 14,253.48, 19,654.65 and 9,783.72 is: 13,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.48 : 19,654.65 = 9,783.72 : x
  2. Step 2: Convert to fraction form
    14,253.48/19,654.65 = 9,783.72/x
  3. Step 3: Cross multiply
    14,253.48x = 19,654.65 × 9,783.72
  4. Step 4: Simplify right side
    14,253.48x = 192,295,592.30
  5. Step 5: Solve for x
    x = 192,295,592.30/14,253.48
  6. Step 6: Final answer
    x = 13,491.13

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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.