Home / 25,586.07-35,320.64-18,038.55

Finding the Fourth Proportional to 25,586.07, 35,320.64 and 18,038.55

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Solution

The fourth proportional to 25,586.07, 35,320.64 and 18,038.55 is: 24,901.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,586.07 : 35,320.64 = 18,038.55 : x
  2. Step 2: Convert to fraction form
    25,586.07/35,320.64 = 18,038.55/x
  3. Step 3: Cross multiply
    25,586.07x = 35,320.64 × 18,038.55
  4. Step 4: Simplify right side
    25,586.07x = 637,133,040.48
  5. Step 5: Solve for x
    x = 637,133,040.48/25,586.07
  6. Step 6: Final answer
    x = 24,901.56

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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.