Home / 17,220.40-23,758.48-10,503.60

Finding the Fourth Proportional to 17,220.40, 23,758.48 and 10,503.60

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Solution

The fourth proportional to 17,220.40, 23,758.48 and 10,503.60 is: 14,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.40 : 23,758.48 = 10,503.60 : x
  2. Step 2: Convert to fraction form
    17,220.40/23,758.48 = 10,503.60/x
  3. Step 3: Cross multiply
    17,220.40x = 23,758.48 × 10,503.60
  4. Step 4: Simplify right side
    17,220.40x = 249,549,570.53
  5. Step 5: Solve for x
    x = 249,549,570.53/17,220.40
  6. Step 6: Final answer
    x = 14,491.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.