Home / 14,322.90-21,478.62-4,459.16

Finding the Fourth Proportional to 14,322.90, 21,478.62 and 4,459.16

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Solution

The fourth proportional to 14,322.90, 21,478.62 and 4,459.16 is: 6,686.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.90 : 21,478.62 = 4,459.16 : x
  2. Step 2: Convert to fraction form
    14,322.90/21,478.62 = 4,459.16/x
  3. Step 3: Cross multiply
    14,322.90x = 21,478.62 × 4,459.16
  4. Step 4: Simplify right side
    14,322.90x = 95,776,603.16
  5. Step 5: Solve for x
    x = 95,776,603.16/14,322.90
  6. Step 6: Final answer
    x = 6,686.96

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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.