Home / 16,877.95-23,290.16-9,707.49

Finding the Fourth Proportional to 16,877.95, 23,290.16 and 9,707.49

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Solution

The fourth proportional to 16,877.95, 23,290.16 and 9,707.49 is: 13,395.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.95 : 23,290.16 = 9,707.49 : x
  2. Step 2: Convert to fraction form
    16,877.95/23,290.16 = 9,707.49/x
  3. Step 3: Cross multiply
    16,877.95x = 23,290.16 × 9,707.49
  4. Step 4: Simplify right side
    16,877.95x = 226,088,946.76
  5. Step 5: Solve for x
    x = 226,088,946.76/16,877.95
  6. Step 6: Final answer
    x = 13,395.52

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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.