Home / 23,809.75-32,838.51-15,312.85

Finding the Fourth Proportional to 23,809.75, 32,838.51 and 15,312.85

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Solution

The fourth proportional to 23,809.75, 32,838.51 and 15,312.85 is: 21,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,809.75 : 32,838.51 = 15,312.85 : x
  2. Step 2: Convert to fraction form
    23,809.75/32,838.51 = 15,312.85/x
  3. Step 3: Cross multiply
    23,809.75x = 32,838.51 × 15,312.85
  4. Step 4: Simplify right side
    23,809.75x = 502,851,153.18
  5. Step 5: Solve for x
    x = 502,851,153.18/23,809.75
  6. Step 6: Final answer
    x = 21,119.55

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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.