Home / 25,053.64-34,574.40-13,722.93

Finding the Fourth Proportional to 25,053.64, 34,574.40 and 13,722.93

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Solution

The fourth proportional to 25,053.64, 34,574.40 and 13,722.93 is: 18,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,053.64 : 34,574.40 = 13,722.93 : x
  2. Step 2: Convert to fraction form
    25,053.64/34,574.40 = 13,722.93/x
  3. Step 3: Cross multiply
    25,053.64x = 34,574.40 × 13,722.93
  4. Step 4: Simplify right side
    25,053.64x = 474,462,070.99
  5. Step 5: Solve for x
    x = 474,462,070.99/25,053.64
  6. Step 6: Final answer
    x = 18,937.85

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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.