Home / 14,275.65-19,687.36-12,258.42

Finding the Fourth Proportional to 14,275.65, 19,687.36 and 12,258.42

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Solution

The fourth proportional to 14,275.65, 19,687.36 and 12,258.42 is: 16,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.65 : 19,687.36 = 12,258.42 : x
  2. Step 2: Convert to fraction form
    14,275.65/19,687.36 = 12,258.42/x
  3. Step 3: Cross multiply
    14,275.65x = 19,687.36 × 12,258.42
  4. Step 4: Simplify right side
    14,275.65x = 241,335,927.57
  5. Step 5: Solve for x
    x = 241,335,927.57/14,275.65
  6. Step 6: Final answer
    x = 16,905.42

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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.