Home / 14,148.57-19,525.64-7,860.95

Finding the Fourth Proportional to 14,148.57, 19,525.64 and 7,860.95

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Solution

The fourth proportional to 14,148.57, 19,525.64 and 7,860.95 is: 10,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.57 : 19,525.64 = 7,860.95 : x
  2. Step 2: Convert to fraction form
    14,148.57/19,525.64 = 7,860.95/x
  3. Step 3: Cross multiply
    14,148.57x = 19,525.64 × 7,860.95
  4. Step 4: Simplify right side
    14,148.57x = 153,490,079.76
  5. Step 5: Solve for x
    x = 153,490,079.76/14,148.57
  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.