Home / 25,720.31-35,506.16-19,349.33

Finding the Fourth Proportional to 25,720.31, 35,506.16 and 19,349.33

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Solution

The fourth proportional to 25,720.31, 35,506.16 and 19,349.33 is: 26,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.31 : 35,506.16 = 19,349.33 : x
  2. Step 2: Convert to fraction form
    25,720.31/35,506.16 = 19,349.33/x
  3. Step 3: Cross multiply
    25,720.31x = 35,506.16 × 19,349.33
  4. Step 4: Simplify right side
    25,720.31x = 687,020,132.60
  5. Step 5: Solve for x
    x = 687,020,132.60/25,720.31
  6. Step 6: Final answer
    x = 26,711.20

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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.