Home / 19,215.02-26,516.49-10,831.52

Finding the Fourth Proportional to 19,215.02, 26,516.49 and 10,831.52

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Solution

The fourth proportional to 19,215.02, 26,516.49 and 10,831.52 is: 14,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.02 : 26,516.49 = 10,831.52 : x
  2. Step 2: Convert to fraction form
    19,215.02/26,516.49 = 10,831.52/x
  3. Step 3: Cross multiply
    19,215.02x = 26,516.49 × 10,831.52
  4. Step 4: Simplify right side
    19,215.02x = 287,213,891.76
  5. Step 5: Solve for x
    x = 287,213,891.76/19,215.02
  6. Step 6: Final answer
    x = 14,947.36

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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.