Home / 14,397.89-21,598.63-5,631.66

Finding the Fourth Proportional to 14,397.89, 21,598.63 and 5,631.66

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Solution

The fourth proportional to 14,397.89, 21,598.63 and 5,631.66 is: 8,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397.89 : 21,598.63 = 5,631.66 : x
  2. Step 2: Convert to fraction form
    14,397.89/21,598.63 = 5,631.66/x
  3. Step 3: Cross multiply
    14,397.89x = 21,598.63 × 5,631.66
  4. Step 4: Simplify right side
    14,397.89x = 121,636,126.55
  5. Step 5: Solve for x
    x = 121,636,126.55/14,397.89
  6. Step 6: Final answer
    x = 8,448.19

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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.