Home / 18,565.08-25,605.36-11,495.40

Finding the Fourth Proportional to 18,565.08, 25,605.36 and 11,495.40

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Solution

The fourth proportional to 18,565.08, 25,605.36 and 11,495.40 is: 15,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.08 : 25,605.36 = 11,495.40 : x
  2. Step 2: Convert to fraction form
    18,565.08/25,605.36 = 11,495.40/x
  3. Step 3: Cross multiply
    18,565.08x = 25,605.36 × 11,495.40
  4. Step 4: Simplify right side
    18,565.08x = 294,343,855.34
  5. Step 5: Solve for x
    x = 294,343,855.34/18,565.08
  6. Step 6: Final answer
    x = 15,854.70

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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.