Home / 19,239.84-26,550.48-10,856.28

Finding the Fourth Proportional to 19,239.84, 26,550.48 and 10,856.28

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Solution

The fourth proportional to 19,239.84, 26,550.48 and 10,856.28 is: 14,981.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.84 : 26,550.48 = 10,856.28 : x
  2. Step 2: Convert to fraction form
    19,239.84/26,550.48 = 10,856.28/x
  3. Step 3: Cross multiply
    19,239.84x = 26,550.48 × 10,856.28
  4. Step 4: Simplify right side
    19,239.84x = 288,239,445.01
  5. Step 5: Solve for x
    x = 288,239,445.01/19,239.84
  6. Step 6: Final answer
    x = 14,981.38

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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.