Home / 19,301.16-26,636.58-10,920.36

Finding the Fourth Proportional to 19,301.16, 26,636.58 and 10,920.36

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Solution

The fourth proportional to 19,301.16, 26,636.58 and 10,920.36 is: 15,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.16 : 26,636.58 = 10,920.36 : x
  2. Step 2: Convert to fraction form
    19,301.16/26,636.58 = 10,920.36/x
  3. Step 3: Cross multiply
    19,301.16x = 26,636.58 × 10,920.36
  4. Step 4: Simplify right side
    19,301.16x = 290,881,042.77
  5. Step 5: Solve for x
    x = 290,881,042.77/19,301.16
  6. Step 6: Final answer
    x = 15,070.65

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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.