Home / 18,130.58-25,026.40-10,964.51

Finding the Fourth Proportional to 18,130.58, 25,026.40 and 10,964.51

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Solution

The fourth proportional to 18,130.58, 25,026.40 and 10,964.51 is: 15,134.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.58 : 25,026.40 = 10,964.51 : x
  2. Step 2: Convert to fraction form
    18,130.58/25,026.40 = 10,964.51/x
  3. Step 3: Cross multiply
    18,130.58x = 25,026.40 × 10,964.51
  4. Step 4: Simplify right side
    18,130.58x = 274,402,213.06
  5. Step 5: Solve for x
    x = 274,402,213.06/18,130.58
  6. Step 6: Final answer
    x = 15,134.77

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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.