Home / 19,345.56-26,696.16-10,963.68

Finding the Fourth Proportional to 19,345.56, 26,696.16 and 10,963.68

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Solution

The fourth proportional to 19,345.56, 26,696.16 and 10,963.68 is: 15,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.56 : 26,696.16 = 10,963.68 : x
  2. Step 2: Convert to fraction form
    19,345.56/26,696.16 = 10,963.68/x
  3. Step 3: Cross multiply
    19,345.56x = 26,696.16 × 10,963.68
  4. Step 4: Simplify right side
    19,345.56x = 292,688,155.47
  5. Step 5: Solve for x
    x = 292,688,155.47/19,345.56
  6. Step 6: Final answer
    x = 15,129.47

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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.