Home / 16,673.54-23,017.86-12,888.16

Finding the Fourth Proportional to 16,673.54, 23,017.86 and 12,888.16

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Solution

The fourth proportional to 16,673.54, 23,017.86 and 12,888.16 is: 17,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,673.54 : 23,017.86 = 12,888.16 : x
  2. Step 2: Convert to fraction form
    16,673.54/23,017.86 = 12,888.16/x
  3. Step 3: Cross multiply
    16,673.54x = 23,017.86 × 12,888.16
  4. Step 4: Simplify right side
    16,673.54x = 296,657,862.54
  5. Step 5: Solve for x
    x = 296,657,862.54/16,673.54
  6. Step 6: Final answer
    x = 17,792.13

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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.