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Finding the Fourth Proportional to 14,595.10, 20,273.56 and 14,368.98

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Solution

The fourth proportional to 14,595.10, 20,273.56 and 14,368.98 is: 19,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.10 : 20,273.56 = 14,368.98 : x
  2. Step 2: Convert to fraction form
    14,595.10/20,273.56 = 14,368.98/x
  3. Step 3: Cross multiply
    14,595.10x = 20,273.56 × 14,368.98
  4. Step 4: Simplify right side
    14,595.10x = 291,310,378.17
  5. Step 5: Solve for x
    x = 291,310,378.17/14,595.10
  6. Step 6: Final answer
    x = 19,959.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.