Home / 19,483.31-26,869.31-12,766.47

Finding the Fourth Proportional to 19,483.31, 26,869.31 and 12,766.47

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Solution

The fourth proportional to 19,483.31, 26,869.31 and 12,766.47 is: 17,606.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.31 : 26,869.31 = 12,766.47 : x
  2. Step 2: Convert to fraction form
    19,483.31/26,869.31 = 12,766.47/x
  3. Step 3: Cross multiply
    19,483.31x = 26,869.31 × 12,766.47
  4. Step 4: Simplify right side
    19,483.31x = 343,026,176.20
  5. Step 5: Solve for x
    x = 343,026,176.20/19,483.31
  6. Step 6: Final answer
    x = 17,606.16

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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.