Home / 25,282.80-34,854.30-17,312.40

Finding the Fourth Proportional to 25,282.80, 34,854.30 and 17,312.40

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Solution

The fourth proportional to 25,282.80, 34,854.30 and 17,312.40 is: 23,866.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,282.80 : 34,854.30 = 17,312.40 : x
  2. Step 2: Convert to fraction form
    25,282.80/34,854.30 = 17,312.40/x
  3. Step 3: Cross multiply
    25,282.80x = 34,854.30 × 17,312.40
  4. Step 4: Simplify right side
    25,282.80x = 603,411,583.32
  5. Step 5: Solve for x
    x = 603,411,583.32/25,282.80
  6. Step 6: Final answer
    x = 23,866.49

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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.