Home / 19,201.98-26,498.34-10,818.48

Finding the Fourth Proportional to 19,201.98, 26,498.34 and 10,818.48

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Solution

The fourth proportional to 19,201.98, 26,498.34 and 10,818.48 is: 14,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.98 : 26,498.34 = 10,818.48 : x
  2. Step 2: Convert to fraction form
    19,201.98/26,498.34 = 10,818.48/x
  3. Step 3: Cross multiply
    19,201.98x = 26,498.34 × 10,818.48
  4. Step 4: Simplify right side
    19,201.98x = 286,671,761.32
  5. Step 5: Solve for x
    x = 286,671,761.32/19,201.98
  6. Step 6: Final answer
    x = 14,929.28

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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.