Home / 15,302.80-22,957.40-4,915.60

Finding the Fourth Proportional to 15,302.80, 22,957.40 and 4,915.60

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Solution

The fourth proportional to 15,302.80, 22,957.40 and 4,915.60 is: 7,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,302.80 : 22,957.40 = 4,915.60 : x
  2. Step 2: Convert to fraction form
    15,302.80/22,957.40 = 4,915.60/x
  3. Step 3: Cross multiply
    15,302.80x = 22,957.40 × 4,915.60
  4. Step 4: Simplify right side
    15,302.80x = 112,849,395.44
  5. Step 5: Solve for x
    x = 112,849,395.44/15,302.80
  6. Step 6: Final answer
    x = 7,374.43

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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.