Home / 15,756.32-23,632.04-6,989.69

Finding the Fourth Proportional to 15,756.32, 23,632.04 and 6,989.69

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Solution

The fourth proportional to 15,756.32, 23,632.04 and 6,989.69 is: 10,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756.32 : 23,632.04 = 6,989.69 : x
  2. Step 2: Convert to fraction form
    15,756.32/23,632.04 = 6,989.69/x
  3. Step 3: Cross multiply
    15,756.32x = 23,632.04 × 6,989.69
  4. Step 4: Simplify right side
    15,756.32x = 165,180,532.98
  5. Step 5: Solve for x
    x = 165,180,532.98/15,756.32
  6. Step 6: Final answer
    x = 10,483.45

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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.