Home / 25,586.32-35,320.98-18,038.80

Finding the Fourth Proportional to 25,586.32, 35,320.98 and 18,038.80

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Solution

The fourth proportional to 25,586.32, 35,320.98 and 18,038.80 is: 24,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,586.32 : 35,320.98 = 18,038.80 : x
  2. Step 2: Convert to fraction form
    25,586.32/35,320.98 = 18,038.80/x
  3. Step 3: Cross multiply
    25,586.32x = 35,320.98 × 18,038.80
  4. Step 4: Simplify right side
    25,586.32x = 637,148,094.02
  5. Step 5: Solve for x
    x = 637,148,094.02/25,586.32
  6. Step 6: Final answer
    x = 24,901.90

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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.