Home / 13,952.50-19,254.58-7,665.02

Finding the Fourth Proportional to 13,952.50, 19,254.58 and 7,665.02

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Solution

The fourth proportional to 13,952.50, 19,254.58 and 7,665.02 is: 10,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.50 : 19,254.58 = 7,665.02 : x
  2. Step 2: Convert to fraction form
    13,952.50/19,254.58 = 7,665.02/x
  3. Step 3: Cross multiply
    13,952.50x = 19,254.58 × 7,665.02
  4. Step 4: Simplify right side
    13,952.50x = 147,586,740.79
  5. Step 5: Solve for x
    x = 147,586,740.79/13,952.50
  6. Step 6: Final answer
    x = 10,577.80

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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.