Home / 44,300.40-66,427.65-13,131.60

Finding the Fourth Proportional to 44,300.40, 66,427.65 and 13,131.60

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Solution

The fourth proportional to 44,300.40, 66,427.65 and 13,131.60 is: 19,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,300.40 : 66,427.65 = 13,131.60 : x
  2. Step 2: Convert to fraction form
    44,300.40/66,427.65 = 13,131.60/x
  3. Step 3: Cross multiply
    44,300.40x = 66,427.65 × 13,131.60
  4. Step 4: Simplify right side
    44,300.40x = 872,301,328.74
  5. Step 5: Solve for x
    x = 872,301,328.74/44,300.40
  6. Step 6: Final answer
    x = 19,690.60

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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.