Home / 19,177.70-26,459.89-12,368.84

Finding the Fourth Proportional to 19,177.70, 26,459.89 and 12,368.84

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Solution

The fourth proportional to 19,177.70, 26,459.89 and 12,368.84 is: 17,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.70 : 26,459.89 = 12,368.84 : x
  2. Step 2: Convert to fraction form
    19,177.70/26,459.89 = 12,368.84/x
  3. Step 3: Cross multiply
    19,177.70x = 26,459.89 × 12,368.84
  4. Step 4: Simplify right side
    19,177.70x = 327,277,982.61
  5. Step 5: Solve for x
    x = 327,277,982.61/19,177.70
  6. Step 6: Final answer
    x = 17,065.55

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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.