Home / 21,526.36-32,302.02-9,045.40

Finding the Fourth Proportional to 21,526.36, 32,302.02 and 9,045.40

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Solution

The fourth proportional to 21,526.36, 32,302.02 and 9,045.40 is: 13,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526.36 : 32,302.02 = 9,045.40 : x
  2. Step 2: Convert to fraction form
    21,526.36/32,302.02 = 9,045.40/x
  3. Step 3: Cross multiply
    21,526.36x = 32,302.02 × 9,045.40
  4. Step 4: Simplify right side
    21,526.36x = 292,184,691.71
  5. Step 5: Solve for x
    x = 292,184,691.71/21,526.36
  6. Step 6: Final answer
    x = 13,573.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.