Home / 19,499.35-26,904.40-11,543.53

Finding the Fourth Proportional to 19,499.35, 26,904.40 and 11,543.53

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Solution

The fourth proportional to 19,499.35, 26,904.40 and 11,543.53 is: 15,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,499.35 : 26,904.40 = 11,543.53 : x
  2. Step 2: Convert to fraction form
    19,499.35/26,904.40 = 11,543.53/x
  3. Step 3: Cross multiply
    19,499.35x = 26,904.40 × 11,543.53
  4. Step 4: Simplify right side
    19,499.35x = 310,571,748.53
  5. Step 5: Solve for x
    x = 310,571,748.53/19,499.35
  6. Step 6: Final answer
    x = 15,927.29

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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.