Home / 19,368.04-26,729.82-11,412.76

Finding the Fourth Proportional to 19,368.04, 26,729.82 and 11,412.76

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Solution

The fourth proportional to 19,368.04, 26,729.82 and 11,412.76 is: 15,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.04 : 26,729.82 = 11,412.76 : x
  2. Step 2: Convert to fraction form
    19,368.04/26,729.82 = 11,412.76/x
  3. Step 3: Cross multiply
    19,368.04x = 26,729.82 × 11,412.76
  4. Step 4: Simplify right side
    19,368.04x = 305,061,020.50
  5. Step 5: Solve for x
    x = 305,061,020.50/19,368.04
  6. Step 6: Final answer
    x = 15,750.74

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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.