Home / 22,486.53-31,032.45-12,416.40

Finding the Fourth Proportional to 22,486.53, 31,032.45 and 12,416.40

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Solution

The fourth proportional to 22,486.53, 31,032.45 and 12,416.40 is: 17,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.53 : 31,032.45 = 12,416.40 : x
  2. Step 2: Convert to fraction form
    22,486.53/31,032.45 = 12,416.40/x
  3. Step 3: Cross multiply
    22,486.53x = 31,032.45 × 12,416.40
  4. Step 4: Simplify right side
    22,486.53x = 385,311,312.18
  5. Step 5: Solve for x
    x = 385,311,312.18/22,486.53
  6. Step 6: Final answer
    x = 17,135.21

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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.