Home / 23,511.42-32,445.76-13,440.08

Finding the Fourth Proportional to 23,511.42, 32,445.76 and 13,440.08

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Solution

The fourth proportional to 23,511.42, 32,445.76 and 13,440.08 is: 18,547.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,511.42 : 32,445.76 = 13,440.08 : x
  2. Step 2: Convert to fraction form
    23,511.42/32,445.76 = 13,440.08/x
  3. Step 3: Cross multiply
    23,511.42x = 32,445.76 × 13,440.08
  4. Step 4: Simplify right side
    23,511.42x = 436,073,610.06
  5. Step 5: Solve for x
    x = 436,073,610.06/23,511.42
  6. Step 6: Final answer
    x = 18,547.31

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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.