Home / 22,315.02-30,792.54-13,362.36

Finding the Fourth Proportional to 22,315.02, 30,792.54 and 13,362.36

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Solution

The fourth proportional to 22,315.02, 30,792.54 and 13,362.36 is: 18,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,315.02 : 30,792.54 = 13,362.36 : x
  2. Step 2: Convert to fraction form
    22,315.02/30,792.54 = 13,362.36/x
  3. Step 3: Cross multiply
    22,315.02x = 30,792.54 × 13,362.36
  4. Step 4: Simplify right side
    22,315.02x = 411,461,004.79
  5. Step 5: Solve for x
    x = 411,461,004.79/22,315.02
  6. Step 6: Final answer
    x = 18,438.75

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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.