Home / 19,572.51-29,339.43-12,532.47

Finding the Fourth Proportional to 19,572.51, 29,339.43 and 12,532.47

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Solution

The fourth proportional to 19,572.51, 29,339.43 and 12,532.47 is: 18,786.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.51 : 29,339.43 = 12,532.47 : x
  2. Step 2: Convert to fraction form
    19,572.51/29,339.43 = 12,532.47/x
  3. Step 3: Cross multiply
    19,572.51x = 29,339.43 × 12,532.47
  4. Step 4: Simplify right side
    19,572.51x = 367,695,526.29
  5. Step 5: Solve for x
    x = 367,695,526.29/19,572.51
  6. Step 6: Final answer
    x = 18,786.32

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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.