Home / 19,241.51-26,528.58-15,779.34

Finding the Fourth Proportional to 19,241.51, 26,528.58 and 15,779.34

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Solution

The fourth proportional to 19,241.51, 26,528.58 and 15,779.34 is: 21,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.51 : 26,528.58 = 15,779.34 : x
  2. Step 2: Convert to fraction form
    19,241.51/26,528.58 = 15,779.34/x
  3. Step 3: Cross multiply
    19,241.51x = 26,528.58 × 15,779.34
  4. Step 4: Simplify right side
    19,241.51x = 418,603,483.54
  5. Step 5: Solve for x
    x = 418,603,483.54/19,241.51
  6. Step 6: Final answer
    x = 21,755.24

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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.