Home / 19,822.02-27,354.18-10,869.50

Finding the Fourth Proportional to 19,822.02, 27,354.18 and 10,869.50

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Solution

The fourth proportional to 19,822.02, 27,354.18 and 10,869.50 is: 14,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.02 : 27,354.18 = 10,869.50 : x
  2. Step 2: Convert to fraction form
    19,822.02/27,354.18 = 10,869.50/x
  3. Step 3: Cross multiply
    19,822.02x = 27,354.18 × 10,869.50
  4. Step 4: Simplify right side
    19,822.02x = 297,326,259.51
  5. Step 5: Solve for x
    x = 297,326,259.51/19,822.02
  6. Step 6: Final answer
    x = 14,999.80

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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.