Home / 24,985.13-34,478.46-13,655.00

Finding the Fourth Proportional to 24,985.13, 34,478.46 and 13,655.00

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Solution

The fourth proportional to 24,985.13, 34,478.46 and 13,655.00 is: 18,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,985.13 : 34,478.46 = 13,655.00 : x
  2. Step 2: Convert to fraction form
    24,985.13/34,478.46 = 13,655.00/x
  3. Step 3: Cross multiply
    24,985.13x = 34,478.46 × 13,655.00
  4. Step 4: Simplify right side
    24,985.13x = 470,803,457.50
  5. Step 5: Solve for x
    x = 470,803,457.50/24,985.13
  6. Step 6: Final answer
    x = 18,843.35

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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.