Home / 15,665.40-23,498.10-14,052.60

Finding the Fourth Proportional to 15,665.40, 23,498.10 and 14,052.60

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Solution

The fourth proportional to 15,665.40, 23,498.10 and 14,052.60 is: 21,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,665.40 : 23,498.10 = 14,052.60 : x
  2. Step 2: Convert to fraction form
    15,665.40/23,498.10 = 14,052.60/x
  3. Step 3: Cross multiply
    15,665.40x = 23,498.10 × 14,052.60
  4. Step 4: Simplify right side
    15,665.40x = 330,209,400.06
  5. Step 5: Solve for x
    x = 330,209,400.06/15,665.40
  6. Step 6: Final answer
    x = 21,078.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.