Home / 18,861.22-26,030.46-10,477.72

Finding the Fourth Proportional to 18,861.22, 26,030.46 and 10,477.72

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Solution

The fourth proportional to 18,861.22, 26,030.46 and 10,477.72 is: 14,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861.22 : 26,030.46 = 10,477.72 : x
  2. Step 2: Convert to fraction form
    18,861.22/26,030.46 = 10,477.72/x
  3. Step 3: Cross multiply
    18,861.22x = 26,030.46 × 10,477.72
  4. Step 4: Simplify right side
    18,861.22x = 272,739,871.35
  5. Step 5: Solve for x
    x = 272,739,871.35/18,861.22
  6. Step 6: Final answer
    x = 14,460.35

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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.