Home / 19,536.00-26,953.36-11,978.55

Finding the Fourth Proportional to 19,536.00, 26,953.36 and 11,978.55

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Solution

The fourth proportional to 19,536.00, 26,953.36 and 11,978.55 is: 16,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536.00 : 26,953.36 = 11,978.55 : x
  2. Step 2: Convert to fraction form
    19,536.00/26,953.36 = 11,978.55/x
  3. Step 3: Cross multiply
    19,536.00x = 26,953.36 × 11,978.55
  4. Step 4: Simplify right side
    19,536.00x = 322,862,140.48
  5. Step 5: Solve for x
    x = 322,862,140.48/19,536.00
  6. Step 6: Final answer
    x = 16,526.52

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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.