Home / 14,149.13-19,526.15-7,775.67

Finding the Fourth Proportional to 14,149.13, 19,526.15 and 7,775.67

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Solution

The fourth proportional to 14,149.13, 19,526.15 and 7,775.67 is: 10,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.13 : 19,526.15 = 7,775.67 : x
  2. Step 2: Convert to fraction form
    14,149.13/19,526.15 = 7,775.67/x
  3. Step 3: Cross multiply
    14,149.13x = 19,526.15 × 7,775.67
  4. Step 4: Simplify right side
    14,149.13x = 151,828,898.77
  5. Step 5: Solve for x
    x = 151,828,898.77/14,149.13
  6. Step 6: Final answer
    x = 10,730.62

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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.