Home / 18,953.53-26,155.98-10,455.51

Finding the Fourth Proportional to 18,953.53, 26,155.98 and 10,455.51

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Solution

The fourth proportional to 18,953.53, 26,155.98 and 10,455.51 is: 14,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.53 : 26,155.98 = 10,455.51 : x
  2. Step 2: Convert to fraction form
    18,953.53/26,155.98 = 10,455.51/x
  3. Step 3: Cross multiply
    18,953.53x = 26,155.98 × 10,455.51
  4. Step 4: Simplify right side
    18,953.53x = 273,474,208.53
  5. Step 5: Solve for x
    x = 273,474,208.53/18,953.53
  6. Step 6: Final answer
    x = 14,428.67

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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.