Home / 14,148.52-19,525.56-7,860.88

Finding the Fourth Proportional to 14,148.52, 19,525.56 and 7,860.88

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Solution

The fourth proportional to 14,148.52, 19,525.56 and 7,860.88 is: 10,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.52 : 19,525.56 = 7,860.88 : x
  2. Step 2: Convert to fraction form
    14,148.52/19,525.56 = 7,860.88/x
  3. Step 3: Cross multiply
    14,148.52x = 19,525.56 × 7,860.88
  4. Step 4: Simplify right side
    14,148.52x = 153,488,084.09
  5. Step 5: Solve for x
    x = 153,488,084.09/14,148.52
  6. Step 6: Final answer
    x = 10,848.35

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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.