Home / 14,395.50-21,561.93-6,984.32

Finding the Fourth Proportional to 14,395.50, 21,561.93 and 6,984.32

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Solution

The fourth proportional to 14,395.50, 21,561.93 and 6,984.32 is: 10,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.50 : 21,561.93 = 6,984.32 : x
  2. Step 2: Convert to fraction form
    14,395.50/21,561.93 = 6,984.32/x
  3. Step 3: Cross multiply
    14,395.50x = 21,561.93 × 6,984.32
  4. Step 4: Simplify right side
    14,395.50x = 150,595,311.13
  5. Step 5: Solve for x
    x = 150,595,311.13/14,395.50
  6. Step 6: Final answer
    x = 10,461.28

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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.