Home / 19,507.80-26,920.98-10,555.48

Finding the Fourth Proportional to 19,507.80, 26,920.98 and 10,555.48

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Solution

The fourth proportional to 19,507.80, 26,920.98 and 10,555.48 is: 14,566.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,507.80 : 26,920.98 = 10,555.48 : x
  2. Step 2: Convert to fraction form
    19,507.80/26,920.98 = 10,555.48/x
  3. Step 3: Cross multiply
    19,507.80x = 26,920.98 × 10,555.48
  4. Step 4: Simplify right side
    19,507.80x = 284,163,678.59
  5. Step 5: Solve for x
    x = 284,163,678.59/19,507.80
  6. Step 6: Final answer
    x = 14,566.67

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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.