Home / 15,756.69-23,632.61-6,990.06

Finding the Fourth Proportional to 15,756.69, 23,632.61 and 6,990.06

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Solution

The fourth proportional to 15,756.69, 23,632.61 and 6,990.06 is: 10,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756.69 : 23,632.61 = 6,990.06 : x
  2. Step 2: Convert to fraction form
    15,756.69/23,632.61 = 6,990.06/x
  3. Step 3: Cross multiply
    15,756.69x = 23,632.61 × 6,990.06
  4. Step 4: Simplify right side
    15,756.69x = 165,193,326.91
  5. Step 5: Solve for x
    x = 165,193,326.91/15,756.69
  6. Step 6: Final answer
    x = 10,484.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.