Home / 14,417.70-19,905.60-11,771.40

Finding the Fourth Proportional to 14,417.70, 19,905.60 and 11,771.40

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Solution

The fourth proportional to 14,417.70, 19,905.60 and 11,771.40 is: 16,252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.70 : 19,905.60 = 11,771.40 : x
  2. Step 2: Convert to fraction form
    14,417.70/19,905.60 = 11,771.40/x
  3. Step 3: Cross multiply
    14,417.70x = 19,905.60 × 11,771.40
  4. Step 4: Simplify right side
    14,417.70x = 234,316,779.84
  5. Step 5: Solve for x
    x = 234,316,779.84/14,417.70
  6. Step 6: Final answer
    x = 16,252.02

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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.