Home / 14,266.90-21,400.35-10,111.60

Finding the Fourth Proportional to 14,266.90, 21,400.35 and 10,111.60

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Solution

The fourth proportional to 14,266.90, 21,400.35 and 10,111.60 is: 15,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.90 : 21,400.35 = 10,111.60 : x
  2. Step 2: Convert to fraction form
    14,266.90/21,400.35 = 10,111.60/x
  3. Step 3: Cross multiply
    14,266.90x = 21,400.35 × 10,111.60
  4. Step 4: Simplify right side
    14,266.90x = 216,391,779.06
  5. Step 5: Solve for x
    x = 216,391,779.06/14,266.90
  6. Step 6: Final answer
    x = 15,167.40

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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.