Home / 19,387.54-26,752.68-10,887.94

Finding the Fourth Proportional to 19,387.54, 26,752.68 and 10,887.94

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Solution

The fourth proportional to 19,387.54, 26,752.68 and 10,887.94 is: 15,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.54 : 26,752.68 = 10,887.94 : x
  2. Step 2: Convert to fraction form
    19,387.54/26,752.68 = 10,887.94/x
  3. Step 3: Cross multiply
    19,387.54x = 26,752.68 × 10,887.94
  4. Step 4: Simplify right side
    19,387.54x = 291,281,574.68
  5. Step 5: Solve for x
    x = 291,281,574.68/19,387.54
  6. Step 6: Final answer
    x = 15,024.16

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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.