Home / 19,672.90-29,300.67-19,577.56

Finding the Fourth Proportional to 19,672.90, 29,300.67 and 19,577.56

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Solution

The fourth proportional to 19,672.90, 29,300.67 and 19,577.56 is: 29,158.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.90 : 29,300.67 = 19,577.56 : x
  2. Step 2: Convert to fraction form
    19,672.90/29,300.67 = 19,577.56/x
  3. Step 3: Cross multiply
    19,672.90x = 29,300.67 × 19,577.56
  4. Step 4: Simplify right side
    19,672.90x = 573,635,478.46
  5. Step 5: Solve for x
    x = 573,635,478.46/19,672.90
  6. Step 6: Final answer
    x = 29,158.67

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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.