Home / 22,421.75-30,931.62-14,466.53

Finding the Fourth Proportional to 22,421.75, 30,931.62 and 14,466.53

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Solution

The fourth proportional to 22,421.75, 30,931.62 and 14,466.53 is: 19,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.75 : 30,931.62 = 14,466.53 : x
  2. Step 2: Convert to fraction form
    22,421.75/30,931.62 = 14,466.53/x
  3. Step 3: Cross multiply
    22,421.75x = 30,931.62 × 14,466.53
  4. Step 4: Simplify right side
    22,421.75x = 447,473,208.68
  5. Step 5: Solve for x
    x = 447,473,208.68/22,421.75
  6. Step 6: Final answer
    x = 19,957.10

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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.