Home / 21,532.19-29,709.86-13,032.63

Finding the Fourth Proportional to 21,532.19, 29,709.86 and 13,032.63

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Solution

The fourth proportional to 21,532.19, 29,709.86 and 13,032.63 is: 17,982.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532.19 : 29,709.86 = 13,032.63 : x
  2. Step 2: Convert to fraction form
    21,532.19/29,709.86 = 13,032.63/x
  3. Step 3: Cross multiply
    21,532.19x = 29,709.86 × 13,032.63
  4. Step 4: Simplify right side
    21,532.19x = 387,197,547.57
  5. Step 5: Solve for x
    x = 387,197,547.57/21,532.19
  6. Step 6: Final answer
    x = 17,982.27

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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.