Home / 19,432.40-26,815.94-11,477.18

Finding the Fourth Proportional to 19,432.40, 26,815.94 and 11,477.18

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Solution

The fourth proportional to 19,432.40, 26,815.94 and 11,477.18 is: 15,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.40 : 26,815.94 = 11,477.18 : x
  2. Step 2: Convert to fraction form
    19,432.40/26,815.94 = 11,477.18/x
  3. Step 3: Cross multiply
    19,432.40x = 26,815.94 × 11,477.18
  4. Step 4: Simplify right side
    19,432.40x = 307,771,370.25
  5. Step 5: Solve for x
    x = 307,771,370.25/19,432.40
  6. Step 6: Final answer
    x = 15,838.05

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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.