Home / 15,051.95-20,769.25-9,004.69

Finding the Fourth Proportional to 15,051.95, 20,769.25 and 9,004.69

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Solution

The fourth proportional to 15,051.95, 20,769.25 and 9,004.69 is: 12,425.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.95 : 20,769.25 = 9,004.69 : x
  2. Step 2: Convert to fraction form
    15,051.95/20,769.25 = 9,004.69/x
  3. Step 3: Cross multiply
    15,051.95x = 20,769.25 × 9,004.69
  4. Step 4: Simplify right side
    15,051.95x = 187,020,657.78
  5. Step 5: Solve for x
    x = 187,020,657.78/15,051.95
  6. Step 6: Final answer
    x = 12,425.01

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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.