Home / 18,861.47-26,030.81-10,477.97

Finding the Fourth Proportional to 18,861.47, 26,030.81 and 10,477.97

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Solution

The fourth proportional to 18,861.47, 26,030.81 and 10,477.97 is: 14,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861.47 : 26,030.81 = 10,477.97 : x
  2. Step 2: Convert to fraction form
    18,861.47/26,030.81 = 10,477.97/x
  3. Step 3: Cross multiply
    18,861.47x = 26,030.81 × 10,477.97
  4. Step 4: Simplify right side
    18,861.47x = 272,749,993.87
  5. Step 5: Solve for x
    x = 272,749,993.87/18,861.47
  6. Step 6: Final answer
    x = 14,460.70

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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.