Home / 19,048.80-26,287.32-10,665.36

Finding the Fourth Proportional to 19,048.80, 26,287.32 and 10,665.36

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Solution

The fourth proportional to 19,048.80, 26,287.32 and 10,665.36 is: 14,718.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.80 : 26,287.32 = 10,665.36 : x
  2. Step 2: Convert to fraction form
    19,048.80/26,287.32 = 10,665.36/x
  3. Step 3: Cross multiply
    19,048.80x = 26,287.32 × 10,665.36
  4. Step 4: Simplify right side
    19,048.80x = 280,363,731.24
  5. Step 5: Solve for x
    x = 280,363,731.24/19,048.80
  6. Step 6: Final answer
    x = 14,718.18

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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.