Home / 14,355.48-19,811.40-8,068.26

Finding the Fourth Proportional to 14,355.48, 19,811.40 and 8,068.26

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Solution

The fourth proportional to 14,355.48, 19,811.40 and 8,068.26 is: 11,134.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.48 : 19,811.40 = 8,068.26 : x
  2. Step 2: Convert to fraction form
    14,355.48/19,811.40 = 8,068.26/x
  3. Step 3: Cross multiply
    14,355.48x = 19,811.40 × 8,068.26
  4. Step 4: Simplify right side
    14,355.48x = 159,843,526.16
  5. Step 5: Solve for x
    x = 159,843,526.16/14,355.48
  6. Step 6: Final answer
    x = 11,134.67

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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.