Home / 22,975.04-31,705.84-12,905.68

Finding the Fourth Proportional to 22,975.04, 31,705.84 and 12,905.68

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Solution

The fourth proportional to 22,975.04, 31,705.84 and 12,905.68 is: 17,810.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,975.04 : 31,705.84 = 12,905.68 : x
  2. Step 2: Convert to fraction form
    22,975.04/31,705.84 = 12,905.68/x
  3. Step 3: Cross multiply
    22,975.04x = 31,705.84 × 12,905.68
  4. Step 4: Simplify right side
    22,975.04x = 409,185,425.17
  5. Step 5: Solve for x
    x = 409,185,425.17/22,975.04
  6. Step 6: Final answer
    x = 17,810.00

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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.