Home / 25,565.50-35,280.40-14,387.74

Finding the Fourth Proportional to 25,565.50, 35,280.40 and 14,387.74

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Solution

The fourth proportional to 25,565.50, 35,280.40 and 14,387.74 is: 19,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,565.50 : 35,280.40 = 14,387.74 : x
  2. Step 2: Convert to fraction form
    25,565.50/35,280.40 = 14,387.74/x
  3. Step 3: Cross multiply
    25,565.50x = 35,280.40 × 14,387.74
  4. Step 4: Simplify right side
    25,565.50x = 507,605,222.30
  5. Step 5: Solve for x
    x = 507,605,222.30/25,565.50
  6. Step 6: Final answer
    x = 19,855.09

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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.