Home / 23,160-31,968.63-14,435.49

Finding the Fourth Proportional to 23,160, 31,968.63 and 14,435.49

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Solution

The fourth proportional to 23,160, 31,968.63 and 14,435.49 is: 19,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,160 : 31,968.63 = 14,435.49 : x
  2. Step 2: Convert to fraction form
    23,160/31,968.63 = 14,435.49/x
  3. Step 3: Cross multiply
    23,160x = 31,968.63 × 14,435.49
  4. Step 4: Simplify right side
    23,160x = 461,482,838.68
  5. Step 5: Solve for x
    x = 461,482,838.68/23,160
  6. Step 6: Final answer
    x = 19,925.86

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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.