Home / 17,088.90-23,547.69-12,605.55

Finding the Fourth Proportional to 17,088.90, 23,547.69 and 12,605.55

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Solution

The fourth proportional to 17,088.90, 23,547.69 and 12,605.55 is: 17,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088.90 : 23,547.69 = 12,605.55 : x
  2. Step 2: Convert to fraction form
    17,088.90/23,547.69 = 12,605.55/x
  3. Step 3: Cross multiply
    17,088.90x = 23,547.69 × 12,605.55
  4. Step 4: Simplify right side
    17,088.90x = 296,831,583.68
  5. Step 5: Solve for x
    x = 296,831,583.68/17,088.90
  6. Step 6: Final answer
    x = 17,369.85

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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.