Home / 15,250.02-21,038.85-9,276.90

Finding the Fourth Proportional to 15,250.02, 21,038.85 and 9,276.90

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Solution

The fourth proportional to 15,250.02, 21,038.85 and 9,276.90 is: 12,798.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,250.02 : 21,038.85 = 9,276.90 : x
  2. Step 2: Convert to fraction form
    15,250.02/21,038.85 = 9,276.90/x
  3. Step 3: Cross multiply
    15,250.02x = 21,038.85 × 9,276.90
  4. Step 4: Simplify right side
    15,250.02x = 195,175,307.57
  5. Step 5: Solve for x
    x = 195,175,307.57/15,250.02
  6. Step 6: Final answer
    x = 12,798.36

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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.