Home / 17,915.28-24,722.76-9,957.36

Finding the Fourth Proportional to 17,915.28, 24,722.76 and 9,957.36

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Solution

The fourth proportional to 17,915.28, 24,722.76 and 9,957.36 is: 13,740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.28 : 24,722.76 = 9,957.36 : x
  2. Step 2: Convert to fraction form
    17,915.28/24,722.76 = 9,957.36/x
  3. Step 3: Cross multiply
    17,915.28x = 24,722.76 × 9,957.36
  4. Step 4: Simplify right side
    17,915.28x = 246,173,421.51
  5. Step 5: Solve for x
    x = 246,173,421.51/17,915.28
  6. Step 6: Final answer
    x = 13,740.98

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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.