Home / 14,148.28-19,525.02-7,861.04

Finding the Fourth Proportional to 14,148.28, 19,525.02 and 7,861.04

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Solution

The fourth proportional to 14,148.28, 19,525.02 and 7,861.04 is: 10,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.28 : 19,525.02 = 7,861.04 : x
  2. Step 2: Convert to fraction form
    14,148.28/19,525.02 = 7,861.04/x
  3. Step 3: Cross multiply
    14,148.28x = 19,525.02 × 7,861.04
  4. Step 4: Simplify right side
    14,148.28x = 153,486,963.22
  5. Step 5: Solve for x
    x = 153,486,963.22/14,148.28
  6. Step 6: Final answer
    x = 10,848.45

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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.