Home / 25,356.10-37,889.14-19,319.00

Finding the Fourth Proportional to 25,356.10, 37,889.14 and 19,319.00

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Solution

The fourth proportional to 25,356.10, 37,889.14 and 19,319.00 is: 28,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,356.10 : 37,889.14 = 19,319.00 : x
  2. Step 2: Convert to fraction form
    25,356.10/37,889.14 = 19,319.00/x
  3. Step 3: Cross multiply
    25,356.10x = 37,889.14 × 19,319.00
  4. Step 4: Simplify right side
    25,356.10x = 731,980,106.21
  5. Step 5: Solve for x
    x = 731,980,106.21/25,356.10
  6. Step 6: Final answer
    x = 28,868.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.