Home / 19,911.56-27,476.34-10,957.64

Finding the Fourth Proportional to 19,911.56, 27,476.34 and 10,957.64

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Solution

The fourth proportional to 19,911.56, 27,476.34 and 10,957.64 is: 15,120.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.56 : 27,476.34 = 10,957.64 : x
  2. Step 2: Convert to fraction form
    19,911.56/27,476.34 = 10,957.64/x
  3. Step 3: Cross multiply
    19,911.56x = 27,476.34 × 10,957.64
  4. Step 4: Simplify right side
    19,911.56x = 301,075,842.24
  5. Step 5: Solve for x
    x = 301,075,842.24/19,911.56
  6. Step 6: Final answer
    x = 15,120.66

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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.