Home / 19,121.04-26,386.56-10,738.08

Finding the Fourth Proportional to 19,121.04, 26,386.56 and 10,738.08

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Solution

The fourth proportional to 19,121.04, 26,386.56 and 10,738.08 is: 14,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.04 : 26,386.56 = 10,738.08 : x
  2. Step 2: Convert to fraction form
    19,121.04/26,386.56 = 10,738.08/x
  3. Step 3: Cross multiply
    19,121.04x = 26,386.56 × 10,738.08
  4. Step 4: Simplify right side
    19,121.04x = 283,340,992.20
  5. Step 5: Solve for x
    x = 283,340,992.20/19,121.04
  6. Step 6: Final answer
    x = 14,818.28

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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.