Home / 20,706.53-31,060.06-5,915.93

Finding the Fourth Proportional to 20,706.53, 31,060.06 and 5,915.93

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Solution

The fourth proportional to 20,706.53, 31,060.06 and 5,915.93 is: 8,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,706.53 : 31,060.06 = 5,915.93 : x
  2. Step 2: Convert to fraction form
    20,706.53/31,060.06 = 5,915.93/x
  3. Step 3: Cross multiply
    20,706.53x = 31,060.06 × 5,915.93
  4. Step 4: Simplify right side
    20,706.53x = 183,748,970.67
  5. Step 5: Solve for x
    x = 183,748,970.67/20,706.53
  6. Step 6: Final answer
    x = 8,873.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.