Home / 15,857.64-23,646.87-14,749.56

Finding the Fourth Proportional to 15,857.64, 23,646.87 and 14,749.56

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Solution

The fourth proportional to 15,857.64, 23,646.87 and 14,749.56 is: 21,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.64 : 23,646.87 = 14,749.56 : x
  2. Step 2: Convert to fraction form
    15,857.64/23,646.87 = 14,749.56/x
  3. Step 3: Cross multiply
    15,857.64x = 23,646.87 × 14,749.56
  4. Step 4: Simplify right side
    15,857.64x = 348,780,927.88
  5. Step 5: Solve for x
    x = 348,780,927.88/15,857.64
  6. Step 6: Final answer
    x = 21,994.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.