Home / 19,482.89-26,885.95-10,985.00

Finding the Fourth Proportional to 19,482.89, 26,885.95 and 10,985.00

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Solution

The fourth proportional to 19,482.89, 26,885.95 and 10,985.00 is: 15,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,482.89 : 26,885.95 = 10,985.00 : x
  2. Step 2: Convert to fraction form
    19,482.89/26,885.95 = 10,985.00/x
  3. Step 3: Cross multiply
    19,482.89x = 26,885.95 × 10,985.00
  4. Step 4: Simplify right side
    19,482.89x = 295,341,998.86
  5. Step 5: Solve for x
    x = 295,341,998.86/19,482.89
  6. Step 6: Final answer
    x = 15,159.05

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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.