Home / 19,487.28-26,887.68-11,526.24

Finding the Fourth Proportional to 19,487.28, 26,887.68 and 11,526.24

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Solution

The fourth proportional to 19,487.28, 26,887.68 and 11,526.24 is: 15,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.28 : 26,887.68 = 11,526.24 : x
  2. Step 2: Convert to fraction form
    19,487.28/26,887.68 = 11,526.24/x
  3. Step 3: Cross multiply
    19,487.28x = 26,887.68 × 11,526.24
  4. Step 4: Simplify right side
    19,487.28x = 309,913,852.72
  5. Step 5: Solve for x
    x = 309,913,852.72/19,487.28
  6. Step 6: Final answer
    x = 15,903.39

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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.