Home / 22,518.61-31,079.98-14,848.40

Finding the Fourth Proportional to 22,518.61, 31,079.98 and 14,848.40

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Solution

The fourth proportional to 22,518.61, 31,079.98 and 14,848.40 is: 20,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.61 : 31,079.98 = 14,848.40 : x
  2. Step 2: Convert to fraction form
    22,518.61/31,079.98 = 14,848.40/x
  3. Step 3: Cross multiply
    22,518.61x = 31,079.98 × 14,848.40
  4. Step 4: Simplify right side
    22,518.61x = 461,487,975.03
  5. Step 5: Solve for x
    x = 461,487,975.03/22,518.61
  6. Step 6: Final answer
    x = 20,493.63

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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.