Home / 19,530.87-26,952.85-10,916.67

Finding the Fourth Proportional to 19,530.87, 26,952.85 and 10,916.67

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Solution

The fourth proportional to 19,530.87, 26,952.85 and 10,916.67 is: 15,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.87 : 26,952.85 = 10,916.67 : x
  2. Step 2: Convert to fraction form
    19,530.87/26,952.85 = 10,916.67/x
  3. Step 3: Cross multiply
    19,530.87x = 26,952.85 × 10,916.67
  4. Step 4: Simplify right side
    19,530.87x = 294,235,483.73
  5. Step 5: Solve for x
    x = 294,235,483.73/19,530.87
  6. Step 6: Final answer
    x = 15,065.15

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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.