Home / 14,277.08-19,701.65-7,816.55

Finding the Fourth Proportional to 14,277.08, 19,701.65 and 7,816.55

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Solution

The fourth proportional to 14,277.08, 19,701.65 and 7,816.55 is: 10,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.08 : 19,701.65 = 7,816.55 : x
  2. Step 2: Convert to fraction form
    14,277.08/19,701.65 = 7,816.55/x
  3. Step 3: Cross multiply
    14,277.08x = 19,701.65 × 7,816.55
  4. Step 4: Simplify right side
    14,277.08x = 153,998,853.34
  5. Step 5: Solve for x
    x = 153,998,853.34/14,277.08
  6. Step 6: Final answer
    x = 10,786.44

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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.