Home / 25,699.16-35,476.37-15,089.45

Finding the Fourth Proportional to 25,699.16, 35,476.37 and 15,089.45

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Solution

The fourth proportional to 25,699.16, 35,476.37 and 15,089.45 is: 20,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.16 : 35,476.37 = 15,089.45 : x
  2. Step 2: Convert to fraction form
    25,699.16/35,476.37 = 15,089.45/x
  3. Step 3: Cross multiply
    25,699.16x = 35,476.37 × 15,089.45
  4. Step 4: Simplify right side
    25,699.16x = 535,318,658.47
  5. Step 5: Solve for x
    x = 535,318,658.47/25,699.16
  6. Step 6: Final answer
    x = 20,830.20

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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.