Home / 14,008.32-19,331.40-7,635.30

Finding the Fourth Proportional to 14,008.32, 19,331.40 and 7,635.30

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Solution

The fourth proportional to 14,008.32, 19,331.40 and 7,635.30 is: 10,536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.32 : 19,331.40 = 7,635.30 : x
  2. Step 2: Convert to fraction form
    14,008.32/19,331.40 = 7,635.30/x
  3. Step 3: Cross multiply
    14,008.32x = 19,331.40 × 7,635.30
  4. Step 4: Simplify right side
    14,008.32x = 147,601,038.42
  5. Step 5: Solve for x
    x = 147,601,038.42/14,008.32
  6. Step 6: Final answer
    x = 10,536.67

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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.