Home / 22,312.72-30,792.08-13,816.23

Finding the Fourth Proportional to 22,312.72, 30,792.08 and 13,816.23

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Solution

The fourth proportional to 22,312.72, 30,792.08 and 13,816.23 is: 19,066.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.72 : 30,792.08 = 13,816.23 : x
  2. Step 2: Convert to fraction form
    22,312.72/30,792.08 = 13,816.23/x
  3. Step 3: Cross multiply
    22,312.72x = 30,792.08 × 13,816.23
  4. Step 4: Simplify right side
    22,312.72x = 425,430,378.53
  5. Step 5: Solve for x
    x = 425,430,378.53/22,312.72
  6. Step 6: Final answer
    x = 19,066.72

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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.