Home / 25,035.19-34,548.59-15,603.75

Finding the Fourth Proportional to 25,035.19, 34,548.59 and 15,603.75

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Solution

The fourth proportional to 25,035.19, 34,548.59 and 15,603.75 is: 21,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,035.19 : 34,548.59 = 15,603.75 : x
  2. Step 2: Convert to fraction form
    25,035.19/34,548.59 = 15,603.75/x
  3. Step 3: Cross multiply
    25,035.19x = 34,548.59 × 15,603.75
  4. Step 4: Simplify right side
    25,035.19x = 539,087,600.22
  5. Step 5: Solve for x
    x = 539,087,600.22/25,035.19
  6. Step 6: Final answer
    x = 21,533.20

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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.