Home / 23,011.94-34,543.53-11,915.64

Finding the Fourth Proportional to 23,011.94, 34,543.53 and 11,915.64

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Solution

The fourth proportional to 23,011.94, 34,543.53 and 11,915.64 is: 17,886.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,011.94 : 34,543.53 = 11,915.64 : x
  2. Step 2: Convert to fraction form
    23,011.94/34,543.53 = 11,915.64/x
  3. Step 3: Cross multiply
    23,011.94x = 34,543.53 × 11,915.64
  4. Step 4: Simplify right side
    23,011.94x = 411,608,267.81
  5. Step 5: Solve for x
    x = 411,608,267.81/23,011.94
  6. Step 6: Final answer
    x = 17,886.72

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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.