Home / 19,216.40-26,518.20-10,832.72

Finding the Fourth Proportional to 19,216.40, 26,518.20 and 10,832.72

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Solution

The fourth proportional to 19,216.40, 26,518.20 and 10,832.72 is: 14,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.40 : 26,518.20 = 10,832.72 : x
  2. Step 2: Convert to fraction form
    19,216.40/26,518.20 = 10,832.72/x
  3. Step 3: Cross multiply
    19,216.40x = 26,518.20 × 10,832.72
  4. Step 4: Simplify right side
    19,216.40x = 287,264,235.50
  5. Step 5: Solve for x
    x = 287,264,235.50/19,216.40
  6. Step 6: Final answer
    x = 14,948.91

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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.