Home / 13,065.52-19,590.40-5,265.24

Finding the Fourth Proportional to 13,065.52, 19,590.40 and 5,265.24

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Solution

The fourth proportional to 13,065.52, 19,590.40 and 5,265.24 is: 7,894.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.52 : 19,590.40 = 5,265.24 : x
  2. Step 2: Convert to fraction form
    13,065.52/19,590.40 = 5,265.24/x
  3. Step 3: Cross multiply
    13,065.52x = 19,590.40 × 5,265.24
  4. Step 4: Simplify right side
    13,065.52x = 103,148,157.70
  5. Step 5: Solve for x
    x = 103,148,157.70/13,065.52
  6. Step 6: Final answer
    x = 7,894.68

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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.