Home / 22,971.04-31,700.36-12,901.64

Finding the Fourth Proportional to 22,971.04, 31,700.36 and 12,901.64

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Solution

The fourth proportional to 22,971.04, 31,700.36 and 12,901.64 is: 17,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,971.04 : 31,700.36 = 12,901.64 : x
  2. Step 2: Convert to fraction form
    22,971.04/31,700.36 = 12,901.64/x
  3. Step 3: Cross multiply
    22,971.04x = 31,700.36 × 12,901.64
  4. Step 4: Simplify right side
    22,971.04x = 408,986,632.59
  5. Step 5: Solve for x
    x = 408,986,632.59/22,971.04
  6. Step 6: Final answer
    x = 17,804.45

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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.