Home / 14,258.94-19,676.98-7,885.36

Finding the Fourth Proportional to 14,258.94, 19,676.98 and 7,885.36

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Solution

The fourth proportional to 14,258.94, 19,676.98 and 7,885.36 is: 10,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.94 : 19,676.98 = 7,885.36 : x
  2. Step 2: Convert to fraction form
    14,258.94/19,676.98 = 7,885.36/x
  3. Step 3: Cross multiply
    14,258.94x = 19,676.98 × 7,885.36
  4. Step 4: Simplify right side
    14,258.94x = 155,160,109.04
  5. Step 5: Solve for x
    x = 155,160,109.04/14,258.94
  6. Step 6: Final answer
    x = 10,881.60

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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.