Home / 25,358.81-34,983.36-16,409.20

Finding the Fourth Proportional to 25,358.81, 34,983.36 and 16,409.20

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Solution

The fourth proportional to 25,358.81, 34,983.36 and 16,409.20 is: 22,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,358.81 : 34,983.36 = 16,409.20 : x
  2. Step 2: Convert to fraction form
    25,358.81/34,983.36 = 16,409.20/x
  3. Step 3: Cross multiply
    25,358.81x = 34,983.36 × 16,409.20
  4. Step 4: Simplify right side
    25,358.81x = 574,048,929.05
  5. Step 5: Solve for x
    x = 574,048,929.05/25,358.81
  6. Step 6: Final answer
    x = 22,637.07

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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.