Home / 14,663.44-21,995.52-12,570.40

Finding the Fourth Proportional to 14,663.44, 21,995.52 and 12,570.40

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Solution

The fourth proportional to 14,663.44, 21,995.52 and 12,570.40 is: 18,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.44 : 21,995.52 = 12,570.40 : x
  2. Step 2: Convert to fraction form
    14,663.44/21,995.52 = 12,570.40/x
  3. Step 3: Cross multiply
    14,663.44x = 21,995.52 × 12,570.40
  4. Step 4: Simplify right side
    14,663.44x = 276,492,484.61
  5. Step 5: Solve for x
    x = 276,492,484.61/14,663.44
  6. Step 6: Final answer
    x = 18,855.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.