Home / 13,969.01-19,275.61-8,000.32

Finding the Fourth Proportional to 13,969.01, 19,275.61 and 8,000.32

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Solution

The fourth proportional to 13,969.01, 19,275.61 and 8,000.32 is: 11,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.01 : 19,275.61 = 8,000.32 : x
  2. Step 2: Convert to fraction form
    13,969.01/19,275.61 = 8,000.32/x
  3. Step 3: Cross multiply
    13,969.01x = 19,275.61 × 8,000.32
  4. Step 4: Simplify right side
    13,969.01x = 154,210,911.82
  5. Step 5: Solve for x
    x = 154,210,911.82/13,969.01
  6. Step 6: Final answer
    x = 11,039.51

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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.