Home / 25,983.99-35,858.01-16,428.07

Finding the Fourth Proportional to 25,983.99, 35,858.01 and 16,428.07

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Solution

The fourth proportional to 25,983.99, 35,858.01 and 16,428.07 is: 22,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,983.99 : 35,858.01 = 16,428.07 : x
  2. Step 2: Convert to fraction form
    25,983.99/35,858.01 = 16,428.07/x
  3. Step 3: Cross multiply
    25,983.99x = 35,858.01 × 16,428.07
  4. Step 4: Simplify right side
    25,983.99x = 589,077,898.34
  5. Step 5: Solve for x
    x = 589,077,898.34/25,983.99
  6. Step 6: Final answer
    x = 22,670.80

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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.