Home / 24,840.38-34,279.80-13,509.87

Finding the Fourth Proportional to 24,840.38, 34,279.80 and 13,509.87

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Solution

The fourth proportional to 24,840.38, 34,279.80 and 13,509.87 is: 18,643.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,840.38 : 34,279.80 = 13,509.87 : x
  2. Step 2: Convert to fraction form
    24,840.38/34,279.80 = 13,509.87/x
  3. Step 3: Cross multiply
    24,840.38x = 34,279.80 × 13,509.87
  4. Step 4: Simplify right side
    24,840.38x = 463,115,641.63
  5. Step 5: Solve for x
    x = 463,115,641.63/24,840.38
  6. Step 6: Final answer
    x = 18,643.67

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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.