Home / 14,113.51-19,470.35-9,076.78

Finding the Fourth Proportional to 14,113.51, 19,470.35 and 9,076.78

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Solution

The fourth proportional to 14,113.51, 19,470.35 and 9,076.78 is: 12,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.51 : 19,470.35 = 9,076.78 : x
  2. Step 2: Convert to fraction form
    14,113.51/19,470.35 = 9,076.78/x
  3. Step 3: Cross multiply
    14,113.51x = 19,470.35 × 9,076.78
  4. Step 4: Simplify right side
    14,113.51x = 176,728,038.09
  5. Step 5: Solve for x
    x = 176,728,038.09/14,113.51
  6. Step 6: Final answer
    x = 12,521.91

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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.