Home / 19,111.64-26,374.74-10,613.90

Finding the Fourth Proportional to 19,111.64, 26,374.74 and 10,613.90

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Solution

The fourth proportional to 19,111.64, 26,374.74 and 10,613.90 is: 14,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111.64 : 26,374.74 = 10,613.90 : x
  2. Step 2: Convert to fraction form
    19,111.64/26,374.74 = 10,613.90/x
  3. Step 3: Cross multiply
    19,111.64x = 26,374.74 × 10,613.90
  4. Step 4: Simplify right side
    19,111.64x = 279,938,721.01
  5. Step 5: Solve for x
    x = 279,938,721.01/19,111.64
  6. Step 6: Final answer
    x = 14,647.55

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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.