Home / 15,987.16-22,061.83-10,022.12

Finding the Fourth Proportional to 15,987.16, 22,061.83 and 10,022.12

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Solution

The fourth proportional to 15,987.16, 22,061.83 and 10,022.12 is: 13,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.16 : 22,061.83 = 10,022.12 : x
  2. Step 2: Convert to fraction form
    15,987.16/22,061.83 = 10,022.12/x
  3. Step 3: Cross multiply
    15,987.16x = 22,061.83 × 10,022.12
  4. Step 4: Simplify right side
    15,987.16x = 221,106,307.68
  5. Step 5: Solve for x
    x = 221,106,307.68/15,987.16
  6. Step 6: Final answer
    x = 13,830.24

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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.