Home / 18,907.51-26,091.35-10,407.98

Finding the Fourth Proportional to 18,907.51, 26,091.35 and 10,407.98

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Solution

The fourth proportional to 18,907.51, 26,091.35 and 10,407.98 is: 14,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,907.51 : 26,091.35 = 10,407.98 : x
  2. Step 2: Convert to fraction form
    18,907.51/26,091.35 = 10,407.98/x
  3. Step 3: Cross multiply
    18,907.51x = 26,091.35 × 10,407.98
  4. Step 4: Simplify right side
    18,907.51x = 271,558,066.48
  5. Step 5: Solve for x
    x = 271,558,066.48/18,907.51
  6. Step 6: Final answer
    x = 14,362.45

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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.