Home / 25,365.76-34,983.27-15,291.99

Finding the Fourth Proportional to 25,365.76, 34,983.27 and 15,291.99

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Solution

The fourth proportional to 25,365.76, 34,983.27 and 15,291.99 is: 21,090.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,365.76 : 34,983.27 = 15,291.99 : x
  2. Step 2: Convert to fraction form
    25,365.76/34,983.27 = 15,291.99/x
  3. Step 3: Cross multiply
    25,365.76x = 34,983.27 × 15,291.99
  4. Step 4: Simplify right side
    25,365.76x = 534,963,815.01
  5. Step 5: Solve for x
    x = 534,963,815.01/25,365.76
  6. Step 6: Final answer
    x = 21,090.00

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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.