Home / 15,194.04-20,970.45-9,823.08

Finding the Fourth Proportional to 15,194.04, 20,970.45 and 9,823.08

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Solution

The fourth proportional to 15,194.04, 20,970.45 and 9,823.08 is: 13,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194.04 : 20,970.45 = 9,823.08 : x
  2. Step 2: Convert to fraction form
    15,194.04/20,970.45 = 9,823.08/x
  3. Step 3: Cross multiply
    15,194.04x = 20,970.45 × 9,823.08
  4. Step 4: Simplify right side
    15,194.04x = 205,994,407.99
  5. Step 5: Solve for x
    x = 205,994,407.99/15,194.04
  6. Step 6: Final answer
    x = 13,557.58

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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.