Home / 19,280.67-26,607.14-10,782.70

Finding the Fourth Proportional to 19,280.67, 26,607.14 and 10,782.70

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Solution

The fourth proportional to 19,280.67, 26,607.14 and 10,782.70 is: 14,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.67 : 26,607.14 = 10,782.70 : x
  2. Step 2: Convert to fraction form
    19,280.67/26,607.14 = 10,782.70/x
  3. Step 3: Cross multiply
    19,280.67x = 26,607.14 × 10,782.70
  4. Step 4: Simplify right side
    19,280.67x = 286,896,808.48
  5. Step 5: Solve for x
    x = 286,896,808.48/19,280.67
  6. Step 6: Final answer
    x = 14,880.02

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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.