Home / 18,954.81-26,158.55-10,569.69

Finding the Fourth Proportional to 18,954.81, 26,158.55 and 10,569.69

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Solution

The fourth proportional to 18,954.81, 26,158.55 and 10,569.69 is: 14,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.81 : 26,158.55 = 10,569.69 : x
  2. Step 2: Convert to fraction form
    18,954.81/26,158.55 = 10,569.69/x
  3. Step 3: Cross multiply
    18,954.81x = 26,158.55 × 10,569.69
  4. Step 4: Simplify right side
    18,954.81x = 276,487,711.50
  5. Step 5: Solve for x
    x = 276,487,711.50/18,954.81
  6. Step 6: Final answer
    x = 14,586.68

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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.