Home / 14,148.50-19,525.56-7,860.86

Finding the Fourth Proportional to 14,148.50, 19,525.56 and 7,860.86

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Solution

The fourth proportional to 14,148.50, 19,525.56 and 7,860.86 is: 10,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.50 : 19,525.56 = 7,860.86 : x
  2. Step 2: Convert to fraction form
    14,148.50/19,525.56 = 7,860.86/x
  3. Step 3: Cross multiply
    14,148.50x = 19,525.56 × 7,860.86
  4. Step 4: Simplify right side
    14,148.50x = 153,487,693.58
  5. Step 5: Solve for x
    x = 153,487,693.58/14,148.50
  6. Step 6: Final answer
    x = 10,848.34

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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.