Home / 19,792.08-27,313.52-10,840

Finding the Fourth Proportional to 19,792.08, 27,313.52 and 10,840

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Solution

The fourth proportional to 19,792.08, 27,313.52 and 10,840 is: 14,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.08 : 27,313.52 = 10,840 : x
  2. Step 2: Convert to fraction form
    19,792.08/27,313.52 = 10,840/x
  3. Step 3: Cross multiply
    19,792.08x = 27,313.52 × 10,840
  4. Step 4: Simplify right side
    19,792.08x = 296,078,556.80
  5. Step 5: Solve for x
    x = 296,078,556.80/19,792.08
  6. Step 6: Final answer
    x = 14,959.45

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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.