Home / 15,810.25-21,818.02-9,097.18

Finding the Fourth Proportional to 15,810.25, 21,818.02 and 9,097.18

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Solution

The fourth proportional to 15,810.25, 21,818.02 and 9,097.18 is: 12,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.25 : 21,818.02 = 9,097.18 : x
  2. Step 2: Convert to fraction form
    15,810.25/21,818.02 = 9,097.18/x
  3. Step 3: Cross multiply
    15,810.25x = 21,818.02 × 9,097.18
  4. Step 4: Simplify right side
    15,810.25x = 198,482,455.18
  5. Step 5: Solve for x
    x = 198,482,455.18/15,810.25
  6. Step 6: Final answer
    x = 12,554.04

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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.