Home / 22,660.93-31,271.07-12,590.02

Finding the Fourth Proportional to 22,660.93, 31,271.07 and 12,590.02

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Solution

The fourth proportional to 22,660.93, 31,271.07 and 12,590.02 is: 17,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.93 : 31,271.07 = 12,590.02 : x
  2. Step 2: Convert to fraction form
    22,660.93/31,271.07 = 12,590.02/x
  3. Step 3: Cross multiply
    22,660.93x = 31,271.07 × 12,590.02
  4. Step 4: Simplify right side
    22,660.93x = 393,703,396.72
  5. Step 5: Solve for x
    x = 393,703,396.72/22,660.93
  6. Step 6: Final answer
    x = 17,373.66

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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.