Home / 14,389.76-19,852.08-11,255.60

Finding the Fourth Proportional to 14,389.76, 19,852.08 and 11,255.60

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Solution

The fourth proportional to 14,389.76, 19,852.08 and 11,255.60 is: 15,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.76 : 19,852.08 = 11,255.60 : x
  2. Step 2: Convert to fraction form
    14,389.76/19,852.08 = 11,255.60/x
  3. Step 3: Cross multiply
    14,389.76x = 19,852.08 × 11,255.60
  4. Step 4: Simplify right side
    14,389.76x = 223,447,071.65
  5. Step 5: Solve for x
    x = 223,447,071.65/14,389.76
  6. Step 6: Final answer
    x = 15,528.20

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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.