Home / 19,486.61-26,885.15-11,925.06

Finding the Fourth Proportional to 19,486.61, 26,885.15 and 11,925.06

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Solution

The fourth proportional to 19,486.61, 26,885.15 and 11,925.06 is: 16,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.61 : 26,885.15 = 11,925.06 : x
  2. Step 2: Convert to fraction form
    19,486.61/26,885.15 = 11,925.06/x
  3. Step 3: Cross multiply
    19,486.61x = 26,885.15 × 11,925.06
  4. Step 4: Simplify right side
    19,486.61x = 320,606,832.81
  5. Step 5: Solve for x
    x = 320,606,832.81/19,486.61
  6. Step 6: Final answer
    x = 16,452.68

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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.