Home / 13,055.08-19,590.85-5,558.63

Finding the Fourth Proportional to 13,055.08, 19,590.85 and 5,558.63

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Solution

The fourth proportional to 13,055.08, 19,590.85 and 5,558.63 is: 8,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.08 : 19,590.85 = 5,558.63 : x
  2. Step 2: Convert to fraction form
    13,055.08/19,590.85 = 5,558.63/x
  3. Step 3: Cross multiply
    13,055.08x = 19,590.85 × 5,558.63
  4. Step 4: Simplify right side
    13,055.08x = 108,898,376.46
  5. Step 5: Solve for x
    x = 108,898,376.46/13,055.08
  6. Step 6: Final answer
    x = 8,341.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.