Home / 14,303.16-21,455.33-5,417.62

Finding the Fourth Proportional to 14,303.16, 21,455.33 and 5,417.62

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Solution

The fourth proportional to 14,303.16, 21,455.33 and 5,417.62 is: 8,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.16 : 21,455.33 = 5,417.62 : x
  2. Step 2: Convert to fraction form
    14,303.16/21,455.33 = 5,417.62/x
  3. Step 3: Cross multiply
    14,303.16x = 21,455.33 × 5,417.62
  4. Step 4: Simplify right side
    14,303.16x = 116,236,824.91
  5. Step 5: Solve for x
    x = 116,236,824.91/14,303.16
  6. Step 6: Final answer
    x = 8,126.65

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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.