Home / 14,063.90-21,077.55-12,574.46

Finding the Fourth Proportional to 14,063.90, 21,077.55 and 12,574.46

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Solution

The fourth proportional to 14,063.90, 21,077.55 and 12,574.46 is: 18,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063.90 : 21,077.55 = 12,574.46 : x
  2. Step 2: Convert to fraction form
    14,063.90/21,077.55 = 12,574.46/x
  3. Step 3: Cross multiply
    14,063.90x = 21,077.55 × 12,574.46
  4. Step 4: Simplify right side
    14,063.90x = 265,038,862.07
  5. Step 5: Solve for x
    x = 265,038,862.07/14,063.90
  6. Step 6: Final answer
    x = 18,845.34

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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.