Home / 14,054.40-19,353.60-12,561.75

Finding the Fourth Proportional to 14,054.40, 19,353.60 and 12,561.75

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Solution

The fourth proportional to 14,054.40, 19,353.60 and 12,561.75 is: 17,298.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.40 : 19,353.60 = 12,561.75 : x
  2. Step 2: Convert to fraction form
    14,054.40/19,353.60 = 12,561.75/x
  3. Step 3: Cross multiply
    14,054.40x = 19,353.60 × 12,561.75
  4. Step 4: Simplify right side
    14,054.40x = 243,115,084.80
  5. Step 5: Solve for x
    x = 243,115,084.80/14,054.40
  6. Step 6: Final answer
    x = 17,298.15

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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.