Home / 14,036.16-21,043.20-7,012.55

Finding the Fourth Proportional to 14,036.16, 21,043.20 and 7,012.55

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Solution

The fourth proportional to 14,036.16, 21,043.20 and 7,012.55 is: 10,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.16 : 21,043.20 = 7,012.55 : x
  2. Step 2: Convert to fraction form
    14,036.16/21,043.20 = 7,012.55/x
  3. Step 3: Cross multiply
    14,036.16x = 21,043.20 × 7,012.55
  4. Step 4: Simplify right side
    14,036.16x = 147,566,386.94
  5. Step 5: Solve for x
    x = 147,566,386.94/14,036.16
  6. Step 6: Final answer
    x = 10,513.30

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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.